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WO2023011553A1 - Atomiseur et dispositif d'atomisation électronique - Google Patents

Atomiseur et dispositif d'atomisation électronique Download PDF

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Publication number
WO2023011553A1
WO2023011553A1 PCT/CN2022/110084 CN2022110084W WO2023011553A1 WO 2023011553 A1 WO2023011553 A1 WO 2023011553A1 CN 2022110084 W CN2022110084 W CN 2022110084W WO 2023011553 A1 WO2023011553 A1 WO 2023011553A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing element
channel
liquid
bracket
atomizer
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.)
Ceased
Application number
PCT/CN2022/110084
Other languages
English (en)
Chinese (zh)
Inventor
鲁林海
徐中立
李永海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen FirstUnion Technology Co Ltd
Original Assignee
Shenzhen FirstUnion Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen FirstUnion Technology Co Ltd filed Critical Shenzhen FirstUnion Technology Co Ltd
Priority to EP22852265.2A priority Critical patent/EP4381970A4/fr
Priority to US18/294,567 priority patent/US20250113867A1/en
Publication of WO2023011553A1 publication Critical patent/WO2023011553A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the embodiments of the present application relate to the technical field of electronic atomization, and in particular to an atomizer and an electronic atomization device.
  • aerosol delivering articles for example so-called electronic cigarette devices. These devices typically contain e-liquid, which is heated to atomize it, creating an inhalable vapor or aerosol.
  • the e-liquid may contain nicotine and/or flavorants and/or aerosol generating substances (eg, glycerin). In addition to the aromatics in the e-liquid.
  • Known electronic cigarette devices usually include a porous ceramic body with a large number of micropores inside for absorbing and conducting the above-mentioned e-liquid, and a heating element is arranged on one surface of the porous ceramic body to heat and atomize the absorbed e-liquid.
  • the micropores in the porous body serve as a channel for the e-liquid to infiltrate and flow to the atomization surface, and on the other hand, as an air exchange channel for supplying air from the outside to the oil storage chamber after the e-liquid is consumed in the oil storage chamber to maintain the air pressure balance in the oil storage chamber , so that when the e-liquid is heated and atomized, bubbles will be generated in the porous ceramic body, and then the bubbles will emerge from the oil-absorbing surface and enter the oil storage chamber.
  • an atomizer including a housing; inside the housing are:
  • a liquid storage chamber for storing liquid substrates
  • a sealing element at least partially seals the liquid storage chamber
  • bracket used to support the sealing element, so that the sealing element is at least partially positioned between the bracket and the liquid storage cavity;
  • the bracket has an upper surface close to the liquid storage cavity, and side surfaces surrounding the upper surface ;
  • An air passage provides a flow path for air to enter the liquid storage chamber; the air passage includes a first passage portion formed between the side surface of the bracket and the sealing element, and a first passage portion formed between the upper surface and the sealing element. A second channel portion between the sealing elements; the first channel portion having a greater cross-sectional area than the second channel portion.
  • a first groove is provided on the side surface of the bracket, and the first channel portion is defined between the first groove and the sealing element.
  • the depth dimension of the first groove is greater than the width dimension.
  • the bracket has a liquid conduction channel, and the atomization component is in fluid communication with the liquid storage cavity through the liquid conduction channel;
  • the second channel part extends to the inner wall of the liquid guiding channel, and forms an air outlet end of the air channel on the inner wall of the liquid guiding channel.
  • a second groove is provided on the upper surface of the bracket, and the second channel portion is defined between the second groove and the sealing element.
  • the width dimension of the second groove is greater than the depth dimension.
  • said first channel portion has a different direction of extension than said second channel portion; preferably said first channel portion is substantially perpendicular to said second channel portion.
  • the extension length of the first channel portion is greater than the extension length of the second channel portion.
  • the sealing element at least partially covers the bracket, and exposes the air inlet end and/or air outlet end of the air channel.
  • the sealing element has an interference fit area for providing a seal between the housing and the bracket through an interference fit of a partial area; the first passage part spans the The interference fit area described above.
  • the sealing element is provided with a rib at least partially surrounding the sealing element, and the rib defines the interference fit area.
  • Another embodiment of the present application also proposes an electronic atomization device, including an atomizer for atomizing a liquid matrix to generate an aerosol, and a power supply mechanism for powering the atomizer; the atomizer includes the above The nebulizer described.
  • the above atomizer through the air passage formed between the bracket and the sealing element, is used to supplement the air to the liquid storage chamber to relieve or balance the negative pressure of the liquid storage chamber; and the air passage includes parts with different cross-sectional areas, for the air to overcome the liquid matrix It is advantageous for the pressure to enter the reservoir.
  • Fig. 1 is a schematic structural diagram of an electronic atomization device provided by an embodiment of the present application
  • Figure 2 is a schematic diagram of an embodiment of the atomizer in Figure 1;
  • Fig. 3 is an exploded schematic view of the atomizer in Fig. 2 from a perspective;
  • Fig. 4 is an exploded schematic diagram of another viewing angle of the atomizer in Fig. 2;
  • Fig. 5 is a schematic cross-sectional view of the atomizer in Fig. 2 from a perspective;
  • Fig. 6 is a structural schematic diagram of a porous body from another perspective
  • Fig. 7 is a structural schematic diagram of a bracket from another viewing angle
  • Fig. 8 is a schematic diagram of another viewing angle after the sealing element is assembled with the bracket
  • Fig. 9 is an enlarged view of part B in Fig. 7;
  • Fig. 10 is a schematic cross-sectional view of the air channel formed between the sealing element and the bracket.
  • An embodiment of the present application proposes an electronic atomization device, as shown in FIG. 1 , including an atomizer 100 that stores a liquid substrate and vaporizes it to generate an aerosol, and a power supply mechanism that supplies power to the atomizer 100 200.
  • the power supply mechanism 200 includes a receiving cavity 270 disposed at one end along the length direction for receiving and containing at least a part of the atomizer 100 , and at least partially exposed in the receiving cavity.
  • the first electrical contact 230 on the surface of 270 is used to form an electrical connection with the atomizer 100 when at least a part of the atomizer 100 is received and accommodated in the power supply mechanism 200 so as to supply power to the atomizer 100 .
  • the end of the atomizer 100 along the length direction opposite to the power supply mechanism 200 is provided with a second electrical contact 21 , so that when at least a part of the atomizer 100 is received in the receiving cavity 270 , the second electrical contact 21 contacts and abuts against the first electrical contact 230 to conduct electricity.
  • a sealing member 260 is disposed inside the power supply mechanism 200 , and at least a part of the internal space of the power supply mechanism 200 is separated by the sealing member 260 to form the above receiving cavity 270 .
  • the sealing member 260 is configured to extend along the cross-sectional direction of the power supply mechanism 200 , and is preferably made of a flexible material such as silicone, thereby preventing seepage from the atomizer 100 into the receiving chamber 270
  • the liquid matrix flows to the controller 220, sensor 250 and other components inside the power supply mechanism 200.
  • the power supply mechanism 200 also includes an electric core 210 for power supply at the other end away from the receiving cavity 270 along the length direction; and a controller disposed between the electric core 210 and the receiving cavity 270 220 , the controller 220 is operable to conduct current between the battery cell 210 and the first electrical contact 230 .
  • the power supply mechanism 200 includes a sensor 250 for sensing the suction airflow generated when the atomizer 100 sucks, and then the controller 220 controls the electric core 210 to supply power to the atomizer 100 according to the detection signal of the sensor 250 .
  • the power supply mechanism 200 is provided with a charging interface 240 at the other end away from the receiving cavity 270 for charging the battery cell 210 .
  • FIG. 1 The embodiments of Fig. 2 to Fig. 5 show a schematic structural diagram of an embodiment of the atomizer 100 in Fig. 1, including:
  • the end 110 is configured as one end for the user to inhale the aerosol, and the proximal end 110 is provided with a mouthpiece A for the user to inhale; while the distal end 120 is used as the end combined with the power supply mechanism 200 , and the housing 10
  • the distal end 120 is open, on which a detachable end cover 20 is installed, and the open structure is used for installing various necessary functional components inside the housing 10 .
  • the second electrical contact 21 penetrates from the surface of the end cap 20 to the inside of the atomizer 100 , and at least part of it is exposed outside the atomizer 100 , then it can contact with the first electrical contact 230 to form electrical conduction.
  • the end cap 20 is also provided with a first air inlet 23 for allowing external air to enter the atomizer 100 during suction.
  • the inside of the housing 10 is provided with a liquid storage chamber 12 for storing the liquid substrate, and an atomization assembly 3 for absorbing the liquid substrate from the liquid storage chamber 12 and heating the atomized liquid substrate .
  • the atomizing component 3 generally includes a capillary liquid conduction element for absorbing the liquid matrix, and a heating element combined with the liquid conduction element, and the heating element heats at least part of the liquid matrix of the liquid conduction element during power-on to generate an aerosol.
  • the liquid guiding element includes flexible fibers, such as cotton fibers, non-woven fabrics, glass fiber ropes, etc., or includes porous materials with a microporous structure, such as porous ceramics; the heating element can be printed, deposited , sintering or physical assembly, etc. combined on the liquid-guiding element, or wound on the liquid-guiding element.
  • the atomization assembly 3 includes: a porous body 30 for absorbing and delivering liquid substrate, and a heating element 40 for heating and vaporizing the liquid substrate absorbed by the porous body 30 . specifically:
  • the casing 10 is provided with a flue gas transmission pipe 11 arranged in the axial direction; the casing 10 is also provided with a liquid storage chamber 12 for storing a liquid matrix.
  • the smoke transmission pipe 11 at least partially extends into the liquid storage chamber 12 , and the liquid storage chamber 12 is formed by the space between the outer wall of the smoke transmission pipe 11 and the inner wall of the casing 10 .
  • the first end of the smoke transmission pipe 11 relative to the proximal end 110 communicates with the mouthpiece A, and the second end relative to the distal end 120 communicates with the mist formed between the atomizing surface 310 of the porous body 30 and the end cap 20
  • the atomization chamber 340 is air-connected, so that the aerosol generated by the vaporization of the liquid matrix by the heating element 40 and released to the atomization chamber 340 is transported to the mouthpiece A for inhalation.
  • the shape of the porous body 30 is configured to be generally but not limited to a block structure in an embodiment; according to the preferred design of this embodiment, its It includes an arched shape, with an atomizing surface 310 facing the end cap 20 in the axial direction of the housing 10; wherein, in use, the side of the porous body 30 facing away from the atomizing surface 310 is in fluid communication with the liquid storage chamber 12 so as to be able to The liquid matrix is absorbed, and the microporous structure inside the porous body 30 conducts the liquid matrix to the atomizing surface 310 to be heated and atomized to form an aerosol, and is released or escapes from the atomizing surface 310 into the atomizing chamber 340 .
  • the heating element 40 is formed on the atomizing surface 310 ; and after assembly, the second electrical contact 21 abuts against the heating element 40 to supply power to the heating element 40 .
  • an aerosol output channel 63 that connects the atomizing surface 310 with the second insertion hole 62 is provided on the side of the bracket 60 opposite to the housing 10 .
  • the complete suction airflow path is shown by arrow R2 in FIG. After the output channel 63 flows to the second socket 62 , it is output to the smoke transmission pipe 11 through the first socket 72 .
  • the shape of the porous body 30 is an arched shape, and has a first side wall 31 and a second side wall 32 opposite along the thickness direction, and between the first side wall 31 and the second side wall.
  • first side wall 31 and the second side wall 32 extend along the length direction of the porous body 30, and then define between the first side wall 31, the second side wall 32 and the base portion 34 along the length of the porous body 30
  • the liquid channel 33 extending in the direction, and through the liquid channel 33 receives and absorbs the liquid matrix flowing down from the first liquid guide hole 71 , the second liquid guide hole 61 and the third liquid guide hole 51 .
  • bracket 60 is substantially cylindrical shape, and the detail structure that has thereon comprises:
  • the channel surface 611 of the second liquid guide hole 61 is in fluid communication with the liquid storage cavity 12 and is used for delivering the liquid matrix, wherein the second liquid guide hole 61 is the liquid guide channel;
  • the upper surface 610 is arranged adjacent to the liquid storage chamber 12;
  • the side surface 620 is used to support the sealing element 70 ; the sealing element 70 is mainly stably maintained by surrounding or wrapping on the side surface 620 .
  • an air channel 65 is also provided on the bracket 60 for the air in the atomization chamber 340 and/or the first air inlet 23 to enter the liquid storage chamber 12 .
  • the air channel 65 is defined by grooves formed on the upper surface 610 and the side surface 620 of the bracket 60 . Specifically, a first groove 651 extending along the longitudinal direction is provided on the side surface 620 of the bracket 60 , and a second groove 652 extending along the width direction is provided on the upper surface 610 of the bracket 60 .
  • first groove 651 passes through the side surface 620, and the second groove 652 extends from the upper end of the first groove 651 to the channel surface 611 defining the second liquid guide hole 61; Furthermore, the first groove 651 and the second groove 652 form a certain angle so that their extending directions are different; in the preferred implementation in the figure, the first groove 651 and the second groove 652 are substantially perpendicular to each other.
  • the extension length d1 of the first groove 651 is about 2.2-2.5mm; and the width d2 of the first groove 651 is about 0.2-0.4mm; and, the first groove 651
  • the depth dimension d3 is approximately 0.5-0.7 mm. It can be seen from the above that the depth dimension d3 of the first groove 651 is greater than the width dimension d2, and then after assembly, the flexible sealing element 70 sinks into the first groove 651 relatively little under the extrusion force, thereby preventing It is advantageous that the cross-sectional space of the first groove 651 is influenced by the fitting of the sealing element 70 .
  • the extension length d4 of the second groove 652 is approximately 0.8-1.0mm; and the width d5 of the second groove 652 is approximately 0.1-0.2mm; and, the second groove 652
  • the depth dimension d6 is about 0.05-0.15 mm.
  • the width dimension d5 of the second groove 652 is greater than the depth dimension d6, which is favorable for the overflow of air.
  • the cross-sectional area of the first groove 651 is greater than that of the second groove 652 .
  • the extension length of the first groove 651 is greater than the extension length of the second groove 652 . It is advantageous for air to easily enter the second groove 652 from the first groove 651 against the pressure of the liquid matrix.
  • the first groove 651 and the second groove 652 are covered by the sealing element 70, and then jointly defined by the first groove 651 and the second groove 652 are formed between the bracket 60 and the seal. Air passage 65 between elements 70 . And, after the sealing element 70 is assembled with the bracket 60 , the sealing element 70 does not cover the air inlet end and the air outlet end of the air channel 65 . Specifically, it can be seen from FIG. 8 and FIG. 10 that the lower end of the first groove 651 for air intake is exposed, and the air outlet end of the second groove 652 on the channel surface 611 is also exposed.
  • the lower end of the first groove 651 communicates with the atomization chamber 340 through the gap between the bracket 60 and the housing 10 . Furthermore, in use, when the negative pressure in the liquid storage chamber 12 exceeds a certain threshold, the air in the atomization chamber 340 and/or the first air inlet 23 can pass through in sequence as shown by the arrow R3 in FIG. 8 and FIG. 10 . After passing through the first groove 651 and the second groove 652, it enters into the second liquid guide hole 61, and finally enters into the liquid storage chamber 12 to relieve the negative pressure in the liquid storage chamber 12.
  • capillary grooves 66 extending in the circumferential direction are also provided on the bracket 60 .
  • the space of the capillary groove 66 can maintain a sufficient gap between the bracket 60 and the housing 10, thereby providing a gap for the airflow communication between the lower end of the first groove 651 and the atomizing chamber 340; on the other hand , the capillary groove 66 itself has a width of about 0.5mm, which can absorb and hold the aerosol condensate in the atomization chamber 340 through capillary action, thereby preventing the condensate from leaking out from the first air inlet 23 .
  • the above air channel 65 may also be formed on the inner wall of the sealing element 70 adjacent to the bracket 60 .
  • the first groove 651 is formed on the inner sidewall extending circumferentially of the sealing element 70
  • the second groove 652 is formed on the inner top wall of the sealing element 70 .
  • the outer wall of the sealing element 70 is provided with a rib 73 extending in the circumferential direction; the rib 73 provides a gap between the sealing element 70 and the housing 10 during assembly.
  • the interference fit, the rib 73 is squeezed after assembly, thereby providing a seal.
  • the ribs 73 are located on the inner side wall of the sealing element 70 and are adjacent to the side surface 620 of the bracket 60; Press to form an interference fit to improve the sealing effect.
  • the first groove 651 defining the air channel 65 straddles the area of interference fit defined by the rib 73 .

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Abstract

La présente invention concerne un atomiseur et un dispositif d'atomisation électronique. L'atomiseur comprend un boîtier. Le boîtier est intérieurement pourvu d'une cavité de stockage de e-liquide ; d'un ensemble d'atomisation ; d'un élément d'étanchéité conçu pour étanchéifier au moins partiellement la cavité de stockage de e-liquide ; d'un support conçu pour supporter l'élément d'étanchéité, de telle sorte que l'élément d'étanchéité soit au moins partiellement positionné entre le support et la cavité de stockage de e-liquide, le support étant pourvu d'une surface supérieure proche de la cavité de stockage de e-liquide et d'une surface latérale entourant la surface supérieure ; et d'un canal d'air conçu pour fournir une voie d'écoulement pour que de l'air entre dans la cavité de stockage de e-liquide et comprenant une première partie canal formée entre la surface latérale du support et l'élément d'étanchéité, et une seconde partie canal formée entre la surface supérieure et l'élément d'étanchéité, la première partie canal ayant une surface de section transversale plus grande que celle de la seconde partie canal. L'atomiseur peut ajouter de l'air à la cavité de stockage de e-liquide pour relâcher ou équilibrer la pression négative de la cavité de stockage de e-liquide au moyen d'un canal d'air formé entre le support et l'élément d'étanchéité, et le canal d'air comprend une partie ayant une surface de section transversale différente, ce qui est avantageux pour que l'air surmonte la pression d'une matrice de e-liquide dans la cavité de stockage de e-liquide.
PCT/CN2022/110084 2021-08-04 2022-08-03 Atomiseur et dispositif d'atomisation électronique Ceased WO2023011553A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP22852265.2A EP4381970A4 (fr) 2021-08-04 2022-08-03 Atomiseur et dispositif d?atomisation électronique
US18/294,567 US20250113867A1 (en) 2021-08-04 2022-08-03 Atomizer and electronic atomization device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202121812932.8 2021-08-04
CN202121812932.8U CN215958347U (zh) 2021-08-04 2021-08-04 雾化器及电子雾化装置

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WO2023011553A1 true WO2023011553A1 (fr) 2023-02-09

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PCT/CN2022/110084 Ceased WO2023011553A1 (fr) 2021-08-04 2022-08-03 Atomiseur et dispositif d'atomisation électronique

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US (1) US20250113867A1 (fr)
EP (1) EP4381970A4 (fr)
CN (1) CN215958347U (fr)
WO (1) WO2023011553A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215958347U (zh) * 2021-08-04 2022-03-08 深圳市合元科技有限公司 雾化器及电子雾化装置
JP2025534132A (ja) * 2022-10-25 2025-10-09 深▲せん▼市合元科技有限公司 シール部材、霧化器及び電子霧化装置
CN117064111A (zh) * 2023-09-19 2023-11-17 爱奇迹(香港)有限公司 雾化组件及雾化装置

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CN209403574U (zh) * 2018-09-05 2019-09-20 深圳麦克韦尔科技有限公司 雾化装置及电子烟
CN111631437A (zh) * 2020-05-29 2020-09-08 深圳麦克韦尔科技有限公司 雾化器及电子雾化装置
CN212852491U (zh) * 2020-06-16 2021-04-02 深圳市合元科技有限公司 电子烟雾化器及电子烟
CN213587425U (zh) * 2020-09-15 2021-07-02 深圳市合元科技有限公司 电子烟雾化器及电子烟
CN215958347U (zh) * 2021-08-04 2022-03-08 深圳市合元科技有限公司 雾化器及电子雾化装置

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CN112032150B (zh) * 2020-08-27 2022-09-30 深圳市卓力能技术有限公司 气溶胶形成装置的部件及气溶胶形成装置
CN112471608B (zh) * 2020-11-03 2024-10-29 深圳麦克韦尔科技有限公司 雾化组件及电子雾化装置

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CN209403574U (zh) * 2018-09-05 2019-09-20 深圳麦克韦尔科技有限公司 雾化装置及电子烟
CN111631437A (zh) * 2020-05-29 2020-09-08 深圳麦克韦尔科技有限公司 雾化器及电子雾化装置
CN212852491U (zh) * 2020-06-16 2021-04-02 深圳市合元科技有限公司 电子烟雾化器及电子烟
CN213587425U (zh) * 2020-09-15 2021-07-02 深圳市合元科技有限公司 电子烟雾化器及电子烟
CN215958347U (zh) * 2021-08-04 2022-03-08 深圳市合元科技有限公司 雾化器及电子雾化装置

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Title
See also references of EP4381970A4 *

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Publication number Publication date
CN215958347U (zh) 2022-03-08
EP4381970A4 (fr) 2024-12-25
US20250113867A1 (en) 2025-04-10
EP4381970A1 (fr) 2024-06-12

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