CN108877600A - Have both the multi-screen Display Rack of voice play function - Google Patents
Have both the multi-screen Display Rack of voice play function Download PDFInfo
- Publication number
- CN108877600A CN108877600A CN201810664179.9A CN201810664179A CN108877600A CN 108877600 A CN108877600 A CN 108877600A CN 201810664179 A CN201810664179 A CN 201810664179A CN 108877600 A CN108877600 A CN 108877600A
- Authority
- CN
- China
- Prior art keywords
- roller
- roller shaft
- shaft
- screen display
- display rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000004744 fabric Substances 0.000 claims abstract description 36
- 230000000694 effects Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
- G09F11/12—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being carried by endless belts, chains, or the like
- G09F11/15—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being carried by endless belts, chains, or the like the elements being flexible sheets
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Displays For Variable Information Using Movable Means (AREA)
Abstract
The invention discloses a kind of multi-screen Display Rack for having both voice play function, the first roll shaft is located at the top of roller；It is arranged with poster cloth on first roll shaft, the second roll shaft and roller, a lateral edge its rotation direction of poster cloth outwardly is provided with several printing posters；Multiple backlights are provided in frame body, the bottom of frame body is provided with multiple Self-locking universal wheels；The both ends of length adjustment bar are bolted in the upper end of Self-locking universal wheel and the bottom of frame body respectively, and the external screw thread hand of spiral at length adjustment bar both ends is on the contrary, also fixed be arranged is provided with nut on length adjustment bar；It is connected with multiple sound equipments on frame body, USB interface is provided on sound equipment, data line is plugged in USB interface and is connected to external computer.The multi-screen Display Rack, which does not need to carry multiple Display Racks, can easily show that different printing posters, easy switching are also easy to shift position convenient for night use, and stability is good, can play voice or music.
Description
Technical Field
The invention relates to an advertising tool, in particular to a multi-screen display rack with a voice playing function.
Background
In colleges and universities campus or some places that need use the exhibition frame to put in advertisement or activity propaganda can often use the exhibition frame, the propaganda printing poster who will make is fixed to the purpose in order to reach the propaganda on the exhibition frame, some propaganda posters need not be regularly changed in order to reach the effect of different shows, can only prepare other printing posters in advance and show in order through using a plurality of exhibition frames at present, the easy poster content that reveals at the back that needs the show of revealing of this kind of mode lacks mystery nature, finally can not play good bandwagon effect, another kind of mode is then field replacement, like this waste time, reduce work efficiency.
Disclosure of Invention
The invention aims to provide a multi-screen display rack with a voice playing function, wherein the multi-screen display rack can conveniently display different printed posters without carrying a plurality of display racks, is convenient to switch, is convenient to use at night, is easy to move, has good stability, and can play voice or music.
In order to achieve the purpose, the invention provides a multi-screen display rack with a voice playing function, which comprises a rack body, wherein a first roller shaft, a second roller shaft and a roller which can rotate are arranged in the rack body, the first roller shaft, the second roller shaft and the roller are parallel to each other, and the first roller shaft is positioned above the roller; the first roller shaft, the second roller shaft and the rollers are sleeved with poster cloth, a plurality of printed posters are arranged on one outward side of the poster cloth along the rotating direction of the poster cloth, and the length of each printed poster is not less than the distance between the first roller shaft and the second roller shaft; a plurality of backlight lamps are arranged among the first roller shaft, the second roller shaft and the roller in the frame body, and a plurality of self-locking universal wheels are uniformly arranged at the bottom of the frame body; the self-locking universal wheel is connected with the bottom of the frame body through a length adjusting rod, two ends of the length adjusting rod are respectively screwed to the upper end of the self-locking universal wheel and the bottom of the frame body, the spiral directions of external threads at two ends of the length adjusting rod are opposite, and a nut is fixedly sleeved on the length adjusting rod; the rack body is fixedly connected with a plurality of sound boxes, the sound boxes are provided with USB interfaces, and data lines are connected to the USB interfaces in an inserting mode and connected to an external computer.
Preferably, the frame body includes that one side is provided with the casing of the side cover that can dismantle, the casing is located one side of first roller and roller sets up to be used for showing the uncovered of printing poster, first roller, second roller and roller all can set up in with the rotation in the casing.
Preferably, one side of the shell, which faces away from the opening, is provided with an inclined plane, a pair of first shaft seats at the same height are arranged at positions, which are close to the inner side of the inclined plane, two ends of the first roll shaft are arranged on the two first shaft seats in a rotatable manner, a pair of second shaft seats at the same height are arranged at positions, which are close to the inner side of the inclined plane, and two ends of the second roll shaft are arranged on the two second shaft seats in a rotatable manner.
Preferably, the first shaft seat is provided with a first notch, two ends of the first roller shaft are rotatably clamped in the first notch, the second shaft seat is provided with a second notch, and two ends of the second roller shaft are rotatably clamped in the second notch.
Preferably, a fixing shaft is arranged in the shell, faces away from one side of the side cover and is positioned below the first roller shaft, and the roller can be rotatably sleeved on the fixing shaft.
Preferably, a side of the housing facing the side cover is provided as an arrangement inlet for arranging the poster cloth, and the side cover is connected to a side wall of the housing near the arrangement inlet by a snap.
Preferably, an upper shielding plate is arranged on the housing above the first roller shaft.
Preferably, a lower baffle plate is arranged on the shell below the roller.
Preferably, a hand-cranking handle capable of rotating is arranged on the side cover, and the hand-cranking handle extends into the shell from the outside of the side cover and is connected to the first roller shaft or the second roller shaft.
Preferably, the hand crank handle is connected to the first roller shaft or the second roller shaft by a screw.
According to the technical scheme, the first roller shaft, the second roller shaft and the roller are parallel to each other, and the first roller shaft is positioned above the roller; the first roller shaft, the second roller shaft and the rollers are sleeved with poster cloth, a plurality of printed posters are arranged on one outward side of the poster cloth along the rotating direction of the poster cloth, and the length of each printed poster is not less than the distance between the first roller shaft and the second roller shaft; a plurality of backlight lamps are arranged among the first roller shaft, the second roller shaft and the roller in the frame body, and a plurality of self-locking universal wheels are uniformly arranged at the bottom of the frame body; the self-locking universal wheel is connected with the bottom of the frame body through a length adjusting rod, two ends of the length adjusting rod are respectively screwed to the upper end of the self-locking universal wheel and the bottom of the frame body, the spiral directions of external threads at two ends of the length adjusting rod are opposite, and a nut is fixedly sleeved on the length adjusting rod; the rack body is fixedly connected with a plurality of sound boxes, the sound boxes are provided with USB interfaces, and data lines are connected to the USB interfaces in an inserting mode and connected to an external computer. During the use, establish the poster cloth cover that has printed many width of cloth printing poster on first roller, second roller and roller, just can be convenient switch the printing poster on the poster cloth through pulling poster cloth, wherein, the lateral surface of poster cloth between first roller and the roller is the show surface. In order to ensure that each poster can be completely displayed, the length of each printed poster is not less than the distance between the first roller and the second roller.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic side cross-sectional view of a preferred embodiment of a multi-panel display rack of the present invention;
fig. 2 is a front view of a preferred embodiment of the multi-panel display stand of the present invention.
Description of the reference numerals
1 casing 2 poster cloth
3 first roll shaft 4 second roll shaft
Roller 5 and 6 fixing shaft
7 upper baffle plate 8 first shaft seat
9 second axle seat 10 lower baffle plate
11 side cover 12 hand handle
13 backlight lamp 14 self-locking type universal wheel
15 length adjusting rod 16 nut
17 Sound equipment
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, directional words included in terms such as "upper, lower, left, right, front, rear, inner, and outer" and the like merely represent the directions of the terms in a normal use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
Referring to fig. 1-2, the multi-screen display rack with a voice playing function includes a rack body, a first roller shaft 3, a second roller shaft 4 and a roller 5 which are capable of rotating are arranged in the rack body, the first roller shaft 3, the second roller shaft 4 and the roller 5 are parallel to each other, and the first roller shaft 3 is located above the roller 5; the first roller shaft 3, the second roller shaft 4 and the roller 5 are sleeved with poster cloth 2, a plurality of printed posters are arranged on one outward side of the poster cloth 2 along the rotation direction of the poster cloth, and the length of each printed poster is not less than the distance between the first roller shaft 3 and the second roller shaft 4; a plurality of backlight lamps 13 are arranged among the first roller shaft 3, the second roller shaft 4 and the roller 5 in the frame body, and a plurality of self-locking universal wheels 14 are uniformly arranged at the bottom of the frame body; the self-locking universal wheel 14 is connected with the bottom of the frame body through a length adjusting rod 15, two ends of the length adjusting rod 15 are respectively screwed to the upper end of the self-locking universal wheel 14 and the bottom of the frame body, the spiral directions of external threads at two ends of the length adjusting rod 15 are opposite, and a nut 16 is fixedly sleeved on the length adjusting rod 15; the rack body is fixedly connected with a plurality of sound boxes 17, the sound boxes 17 are provided with USB interfaces, and data lines are connected to the USB interfaces in an inserting mode and connected to an external computer.
Through the implementation of the technical scheme, the first roller shaft 3, the second roller shaft 4 and the roller 5 are parallel to each other, and the first roller shaft 3 is positioned above the roller 5; the first roller shaft 3, the second roller shaft 4 and the roller 5 are sleeved with poster cloth 2, a plurality of printed posters are arranged on one outward side of the poster cloth 2 along the rotation direction of the poster cloth, and the length of each printed poster is not less than the distance between the first roller shaft 3 and the second roller shaft 4; a plurality of backlight lamps 13 are arranged among the first roller shaft 3, the second roller shaft 4 and the roller 5 in the frame body, and a plurality of self-locking universal wheels 14 are uniformly arranged at the bottom of the frame body; the self-locking universal wheel 14 is connected with the bottom of the frame body through a length adjusting rod 15, two ends of the length adjusting rod 15 are respectively screwed to the upper end of the self-locking universal wheel 14 and the bottom of the frame body, the spiral directions of external threads at two ends of the length adjusting rod 15 are opposite, and a nut 16 is fixedly sleeved on the length adjusting rod 15; the rack body is fixedly connected with a plurality of sound boxes 17, the sound boxes 17 are provided with USB interfaces, and data lines are connected to the USB interfaces in an inserting mode and connected to an external computer. During the use, establish poster cloth 2 cover that has printed many width of cloth printing poster on first roller 3, second roller 4 and roller 5, just can be convenient switch the printing poster on poster cloth 2 through pulling poster cloth 2, wherein, the lateral surface of poster cloth 2 between first roller 3 and the roller 5 is the show surface. In order to ensure that each poster can be displayed completely, the length of each printed poster is not less than the distance between the first roller 3 and the second roller 4. The distance between the self-locking universal wheel 14 and the bottom of the frame body is changed by rotating the nut 16, so that the frame body can be horizontally adjusted on uneven ground, and the stability is improved. A plurality of the acoustic devices 17 are connected in series while being installed inside or outside the frame body, and are located outside the poster cloth 2.
In this embodiment, in order to further protect the privacy of the printed posters not displayed and improve the effect of displaying in the latter stage, it is preferable that the frame body includes a housing 1 provided with a detachable side cover 11 on one side, the housing 1 is provided with an opening for displaying the printed posters on one side of the first roller 3 and the roller 5, and the first roller 3, the second roller 4 and the roller 5 are all rotatably provided in the housing 1. The effect of shielding privacy is achieved by shielding the printed posters not shown through the housing 1, and the housing 1 also has the effect of shielding dust.
In this embodiment, in order to improve the portable mounting of the first roller shaft 3 and the second roller shaft 4 and improve the mounting stability, it is preferable that one side surface of the housing 1 facing away from the opening is provided as an inclined surface, a pair of first shaft holders 8 located at the same height are provided at positions close to the inner side of the inclined surface, both ends of the first roller shaft 3 are rotatably provided on the two first shaft holders 8, a pair of second shaft holders 9 located at the same height are provided at positions close to the inner side of the inclined surface, and both ends of the second roller shaft 4 are rotatably provided on the two second shaft holders 9. One side of the shell 1, which is back to the opening, is set to be the best in the way that the inclined plane should be parallel to the cloth surface of the poster cloth 2 between the first roller shaft 3 and the second roller shaft 4, so that the first shaft seat 8 and the second shaft seat 9 can use parts with the same specification, and the trouble of later maintenance can be reduced.
In this embodiment, in order to further facilitate the installation of the first roller shaft 3 and the second roller shaft 4, it is preferable that the first shaft seat 8 is provided with a first notch, two ends of the first roller shaft 3 are rotatably clamped in the first notch, the second shaft seat 9 is provided with a second notch, and two ends of the second roller shaft 4 are rotatably clamped in the second notch. The bore outer position of first notch and second notch should slightly be less than the internal position for the block that first roller 3 and second roller 4 can laminate more.
In this embodiment, the roller 5 is used as a driven shaft, and in order to further realize the rotation, it is preferable that a fixed shaft 6 is provided in the housing 1 at a side facing away from the side cover 11 and below the first roller shaft 3, and the roller 5 is rotatably fitted on the fixed shaft 6.
In this embodiment, in order to facilitate the detachment and attachment of the side cover 11, it is preferable that a side of the housing 1 facing the side cover 11 is provided as an arrangement entrance for arranging the poster cloth 2, and the side cover 11 is connected to a side wall of the housing 1 near the arrangement entrance by snap-fitting. The buckle may be a plug-in buckle or a folding flip buckle.
In this embodiment, in order to shield the hollow area above the first roller shaft 3 and achieve a better dust shielding effect, it is preferable that an upper shielding plate 7 is provided on the housing 1 above the first roller shaft 3.
In this embodiment, in order to shield the hollow area below the drum 5 and achieve better dust shielding, a lower shielding plate 10 is preferably arranged on the housing 1 below the drum 5.
In this embodiment, in order to further facilitate the rotation of the poster cloth 2, it is preferable that a hand-cranking handle 12 capable of rotating on its own is provided on the side cover 11, and the hand-cranking handle 12 goes deep into the housing 1 from the outside of the side cover 11 and is connected to the first roller shaft 3 or the second roller shaft 4.
In this embodiment, in order to further facilitate the turning of the poster cloth 2, a way of installing a hand knob 12 is provided, and preferably, the hand knob 12 is connected to the first roller shaft 3 or the second roller shaft 4 by screwing. The screw feeding direction of the hand crank handle 12 should be opposite to the shaking direction of the hand crank handle 12 for shaking the first roller shaft 3 or the second roller shaft 4, so as to prevent the hand crank handle 12 from falling off.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. The multi-screen display rack with the voice playing function is characterized by comprising a rack body, wherein a first roller shaft (3), a second roller shaft (4) and a roller (5) which can rotate are arranged in the rack body, the first roller shaft (3), the second roller shaft (4) and the roller (5) are parallel to each other, and the first roller shaft (3) is positioned above the roller (5);
the first roller shaft (3), the second roller shaft (4) and the roller (5) are sleeved with poster cloth (2), a plurality of printed posters are arranged on one outward side of the poster cloth (2) along the rotating direction of the poster cloth, and the length of each printed poster is not less than the distance between the first roller shaft (3) and the second roller shaft (4);
a plurality of backlight lamps (13) are arranged in the frame body and positioned among the first roll shaft (3), the second roll shaft (4) and the roller (5), and a plurality of self-locking universal wheels (14) are uniformly arranged at the bottom of the frame body; wherein,
the self-locking universal wheel (14) is connected with the bottom of the frame body through a length adjusting rod (15), two ends of the length adjusting rod (15) are respectively in threaded connection with the upper end of the self-locking universal wheel (14) and the bottom of the frame body, the spiral directions of external threads at two ends of the length adjusting rod (15) are opposite, and a nut (16) is fixedly sleeved on the length adjusting rod (15);
the rack body is fixedly connected with a plurality of sound boxes (17), the sound boxes (17) are provided with USB interfaces, and data lines are inserted into the USB interfaces and connected to an external computer.
2. The multi-screen display rack with the voice playing function according to claim 1, wherein the rack body comprises a shell (1) with a detachable side cover (11) arranged on one side, one side of the shell (1) on the first roller shaft (3) and the roller (5) is provided with an opening for displaying printed posters, and the first roller shaft (3), the second roller shaft (4) and the roller (5) are all arranged in the shell (1) in a self-rotating manner.
3. The multi-screen display rack with the function of playing voice according to claim 2, wherein one side of the casing (1) facing away from the opening is provided with an inclined plane, a pair of first shaft seats (8) at the same height are arranged at positions on the inner side of the inclined plane, two ends of the first roller shaft (3) are arranged on the two first shaft seats (8) in a self-rotating manner, a pair of second shaft seats (9) at the same height are arranged at positions on the inner side of the inclined plane, and two ends of the second roller shaft (4) are arranged on the two second shaft seats (9) in a self-rotating manner.
4. The multi-screen display rack with the function of playing voice according to claim 3, wherein the first shaft seat (8) is provided with a first notch, two ends of the first roller shaft (3) are rotatably clamped in the first notch, the second shaft seat (9) is provided with a second notch, and two ends of the second roller shaft (4) are rotatably clamped in the second notch.
5. The multi-screen display rack with the function of playing voice according to claim 2, wherein a fixed shaft (6) is disposed in the housing (1) opposite to one side of the side cover (11) and below the first roller shaft (3), and the roller (5) is rotatably sleeved on the fixed shaft (6).
6. The multi-screen rack with the function of playing voice according to claim 2, characterized in that the side of the casing (1) facing the side cover (11) is provided as an arrangement entrance for arranging the poster cloth (2), and the side cover (11) is connected to the side wall of the casing (1) near the arrangement entrance by means of a snap fit.
7. The multi-screen display rack with the function of playing voice according to any one of claims 2 to 6, wherein an upper shielding plate (7) is arranged on the housing (1) above the first roller shaft (3).
8. The multi-screen display rack with the function of playing voice according to claim 7, wherein a lower shielding plate (10) is arranged on the housing (1) below the roller (5).
9. The multi-screen display rack with the function of playing voice according to claim 8, wherein the side cover (11) is provided with a hand crank (12) capable of rotating, and the hand crank (12) penetrates into the housing (1) from the outside of the side cover (11) and is connected to the first roller shaft (3) or the second roller shaft (4).
10. The multi-screen display rack with the function of playing voice according to claim 9, wherein the hand crank handle (12) is connected to the first roller shaft (3) or the second roller shaft (4) through a screw joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810664179.9A CN108877600A (en) | 2018-06-25 | 2018-06-25 | Have both the multi-screen Display Rack of voice play function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810664179.9A CN108877600A (en) | 2018-06-25 | 2018-06-25 | Have both the multi-screen Display Rack of voice play function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108877600A true CN108877600A (en) | 2018-11-23 |
Family
ID=64295570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810664179.9A Withdrawn CN108877600A (en) | 2018-06-25 | 2018-06-25 | Have both the multi-screen Display Rack of voice play function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108877600A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050144820A1 (en) * | 2003-06-05 | 2005-07-07 | 501413 Ontario Limited | Apparatus for a scrolling sign |
| CN2891187Y (en) * | 2005-12-02 | 2007-04-18 | 周蓓华 | Multi-tier multi-image display unit |
| US20080086921A1 (en) * | 2005-03-30 | 2008-04-17 | Prismaflex International | Modular Structure Display Device |
| CN206819662U (en) * | 2017-05-19 | 2017-12-29 | 苏州高博软件技术职业学院 | A kind of good electronic information display device of protection effect |
| CN207319640U (en) * | 2017-10-31 | 2018-05-04 | 高邮天霖恒科教育咨询有限公司 | A kind of marketing planning propaganda organ |
| CN207337849U (en) * | 2017-09-27 | 2018-05-08 | 新昌县辰逸服饰有限公司 | A kind of advertising lamp box of low energy consumption |
| CN108172112A (en) * | 2017-12-08 | 2018-06-15 | 深圳市晟祥知识产权有限公司 | A kind of construction is waved formula alarming device with simulation people |
-
2018
- 2018-06-25 CN CN201810664179.9A patent/CN108877600A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050144820A1 (en) * | 2003-06-05 | 2005-07-07 | 501413 Ontario Limited | Apparatus for a scrolling sign |
| US20080086921A1 (en) * | 2005-03-30 | 2008-04-17 | Prismaflex International | Modular Structure Display Device |
| CN2891187Y (en) * | 2005-12-02 | 2007-04-18 | 周蓓华 | Multi-tier multi-image display unit |
| CN206819662U (en) * | 2017-05-19 | 2017-12-29 | 苏州高博软件技术职业学院 | A kind of good electronic information display device of protection effect |
| CN207337849U (en) * | 2017-09-27 | 2018-05-08 | 新昌县辰逸服饰有限公司 | A kind of advertising lamp box of low energy consumption |
| CN207319640U (en) * | 2017-10-31 | 2018-05-04 | 高邮天霖恒科教育咨询有限公司 | A kind of marketing planning propaganda organ |
| CN108172112A (en) * | 2017-12-08 | 2018-06-15 | 深圳市晟祥知识产权有限公司 | A kind of construction is waved formula alarming device with simulation people |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181123 |