WO1993015357A1 - Device for tinting and/or partly masking the light from lamps - Google Patents
Device for tinting and/or partly masking the light from lamps Download PDFInfo
- Publication number
- WO1993015357A1 WO1993015357A1 PCT/AT1993/000001 AT9300001W WO9315357A1 WO 1993015357 A1 WO1993015357 A1 WO 1993015357A1 AT 9300001 W AT9300001 W AT 9300001W WO 9315357 A1 WO9315357 A1 WO 9315357A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cap
- light
- designed
- projections
- light body
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
Definitions
- the invention relates to a device for coloring and / or partially blocking the light from light bodies, such as incandescent lamps or fluorescent tubes.
- the device comprises a cap made of heat-resistant material which can be arranged around the light body or pushed over the light body, the cap being elastic and elastic
- Light body is formed at least in sections.
- the cap is transparent or translucent and colored with the desired shade.
- the cap is made of opaque material and has openings through which light can pass. This makes it possible to create special lighting effects.
- a preferred embodiment of the device is that the shape of the cap is tapered from a base in the shape of an arc.
- the base area is advantageously provided in a polygonal manner.
- a light shield can be provided on the base surface in order to prevent radiation from a light-impermeable cap with openings downward. This light shielding can preferably be screwed onto the lamp socket or can be glued or plugged onto it. Further preferred features can be found in the following description, the patent claims and the drawings.
- FIG. 1 shows a side view of an embodiment variant of the invention and FIG. 2 is a top view.
- 3 is a side view of a further embodiment variant of the invention with a partially sectioned illustration.
- 4 is a side view of another embodiment variant with a cut cap and
- FIG. 5 is a section along line V-V in FIG. 6 to 8 show further exemplary embodiments in a partially sectioned view and
- FIG. 9 is the view of the cap from the direction IX in FIG. 8.
- a light bulb 2 is screwed into the lamp holder 1 as a light body.
- the cap 3 according to the invention which here consists of a colored transparent or translucent material, is attached to the light bulb 2. This material is sufficiently elastic and dimensioned so that the cap on the glass bulb 4 of the bulb 2 holds by itself.
- the shape of the cap 3 is based on a polygonal base surface 5, from which cap surfaces 6 tapering towards the top are provided.
- the cap surfaces 6 rest only in sections on the glass bulb 4.
- Flow channels for the heated air are formed on the edges 7 between two abutting cap surfaces 6, so that the hot air can escape.
- the material is preferably a heat-resistant plastic, as is commercially available. Such plastics tolerate temperatures up to 200 ° C and more.
- the number of edges 7 of a cap can be adapted as required.
- the base area 5 can also be round or rounded without edges.
- the cap 3 is made of opaque or at least strongly light-attenuating material with openings 8. These openings can either be formed by continuous bores or recesses, or the cap can be made of a transparent or translucent material exist, which is partially opaque coated or colored.
- a light barrier 9 which covers the base area 5 and is screwed onto the holder 1.
- the openings 8 can also be designed, for example, in the form of motifs, as a result of which desired light effects are produced. Such lighting effects are, for example, a starry sky, rip points, light strips, animal motifs or cartoon characters.
- the device according to the invention can always be reused and is easy to replace with a different color.
- the light bulbs can be easily replaced and, after inserting the new light bulb, the cap can be replaced with the same color.
- the caps can be dimensionally adapted to the light bulbs or light bodies of other types, such as fluorescent lamps or fluorescent tubes, so that they can be easily plugged on and yet hold sufficiently firmly.
- the cap can be sealed against moisture and thus the shielding can also be used for garden lighting.
- the light shield 9 is preferably designed in such a way that it overlaps the cap and acts as a water-repellent roof when the bulb is arranged downward.
- FIG. 4 shows a further exemplary embodiment in a representation analogous to FIG. 1.
- the cap 3 made of heat-resistant plastic is provided with projections which are designed as knobs 11 and project inwards towards the light body 2.
- the cap 3 is formed here with a round cross section.
- the knobs 11 are distributed over the circumference and hold the cap 3 on the light body 2, which has the shape of a light bulb.
- the necks 11 serve on the one hand to fix the cap on the light body and on the other hand can serve to let the cap 3 rest on the light body 2 only in sections.
- the cross section of the cap 3 can also be polygonal, as shown in Fig.2.
- FIGS. 7 to 9 show caps according to the invention for light bodies in the form of fluorescent tubes.
- a fluorescent tube 10 which is equipped with contacts 14 on the end faces.
- the cap can be pulled over the fluorescent tube 10 like a stocking and can also be colored or provided with openings. If ventilation is required, the cap 3 can be provided with inwardly projecting knobs.
- FIG. 8 shows an embodiment of a cap for fluorescent tubes, the contacts 14 of which are arranged on the side.
- the knobs 11 are shown in this advice guidance example.
- the image according to FIG. 9 results.
- the cap 3 has a longitudinal section 13 through which the fluorescent tube 10 can be inserted laterally.
- the Ausneh openings 15 serve to receive the contacts 14th
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Abstract
Description
Vorrichtung zur Farbgebung und/oder teilweisen Abschirmung des Lichtes von LichtkörpernDevice for coloring and / or partially shielding the light from light bodies
Die Erfindung betrifft eine Vorrichtung zur Farbgebung und/oder teilweisen Abschinπung des Lichtes von Lichtkörpern, wie Glüh¬ lampen oder Leuchtstoffröhren.The invention relates to a device for coloring and / or partially blocking the light from light bodies, such as incandescent lamps or fluorescent tubes.
Es ist bekannt, Lichtkörper und insbesondere Glühbirnen mit ei¬ nem farbigen Lack zu überziehen, um gewünschte Lichtfärbungen herbeizuführen. Derartige Lichtfärbungen sind beispielsweise in Restaurants, Nachtlokalen, Discotheken, etc. gewünscht, können aber auch für den Wάhnzweck sinnvoll sein.It is known to coat light bodies and in particular light bulbs with a colored lacquer in order to bring about the desired light colorations. Such light colors are desired for example in restaurants, night clubs, discotheques, etc., but can also be useful for the home use.
eiters ist es bekannt, scheinwerferähnliche Leuchten vorzuse- hen, wobei farbige Gläser eingesetzt werden können. Ebenso ist es bereits Stand der Technik, Schirme oder Blenden mittels Hal¬ tevorrichtungen wie Drahtbügeln an Lichtkörpern festzuklemmen.It is also known to provide headlight-like lights, whereby colored glasses can be used. Likewise, it is already state of the art to clamp screens or screens to light bodies by means of holding devices such as wire brackets.
Allen diesen bekannten Vorrichtungen haftet der Nachteil an, daß sie entweder teuer oder umständlich in der Handhabung sind. Mit der vorliegenden Erfindung sollen diese Nachteile beseitigt wer¬ den.All these known devices have the disadvantage that they are either expensive or cumbersome to use. These disadvantages are to be eliminated with the present invention.
Gemäß vorliegender Erfindung umfaßt die Vorrichtung eine um den Lichtkörper anordbare oder über den Lichtkörper schiebbare Kappe aus hitzefestem Material, wobei die Kappe elastisch und amAccording to the present invention, the device comprises a cap made of heat-resistant material which can be arranged around the light body or pushed over the light body, the cap being elastic and elastic
Lichtkörper wenigstens abschnittweise anliegend ausgebildet ist. Nach einer Ausführungsvariante ist die Kappe durchsichtig oder durchscheinend und mit dem gewünschten Farbton gefärbt. In einer weiteren Ausführungsvariante besteht die Kappe aus lichtundurch¬ lässigem Material und weist Durchbrechungen auf, durch die Licht hihdurchtreten kann. Damit ist es möglich, besondere Lichteffek- te hervorzurufen.Light body is formed at least in sections. According to one embodiment variant, the cap is transparent or translucent and colored with the desired shade. In a further embodiment variant, the cap is made of opaque material and has openings through which light can pass. This makes it possible to create special lighting effects.
Eine bevorzugte Ausbildung der Vorrichtung liegt darin, daß die Form der Kappe von einer Grundfläche bogenförmig spitz zulaufend ausgebildet ist. Vorteilhafter Weise wird die Grundfläche viel- eckig vorgesehen. An der Grundfläche kann eine Lichtabschirmurig vorgesehen sein, um eine _Lic_ ta_bstrahlung an einer lichtundurch¬ lässigen Kappe mit Durchbrechungen nach unten zu veriindern. Diese chtabschirmung ist bevorzugter Weise auf die Lampenfas- sung aufschraubbar oder mit dieser verklebbar oder aufsteckbar. Weitere bevorzugte Merkmale sind der nachstehenden Beschreibung, den Patentansprüchen und den Zeichnungen zu entnehmen.A preferred embodiment of the device is that the shape of the cap is tapered from a base in the shape of an arc. The base area is advantageously provided in a polygonal manner. A light shield can be provided on the base surface in order to prevent radiation from a light-impermeable cap with openings downward. This light shielding can preferably be screwed onto the lamp socket or can be glued or plugged onto it. Further preferred features can be found in the following description, the patent claims and the drawings.
Im folgenden wird die Erfindung anhand der Zeichnungen bei¬ spielsweise näher erläutert.The invention is explained in more detail below, for example, with reference to the drawings.
Fig.l zeigt in Seitenansicht eine Ausführungsvariante der Erfin¬ dung und Fig.2 ist eine Aufsicht. Fig.3 ist eine Seitenansicht einer weiteren Ausführungsvariante der Erfindung mit teilweise geschnittener Darstellung. Fig.4 ist die Seitenansicht einer an- deren Ausführungsvariante mit geschnittener Kappe und Fig.5 ein Schnitt nach Linie V-V in Fig.4. Die Fig.6 bis 8 zeigen weitere Ausführungsbeispiele in teilweise geschnittener Ansicht und Fig.9 ist die Ansicht der Kappe aus Richtung IX in Fig.8.1 shows a side view of an embodiment variant of the invention and FIG. 2 is a top view. 3 is a side view of a further embodiment variant of the invention with a partially sectioned illustration. 4 is a side view of another embodiment variant with a cut cap and FIG. 5 is a section along line V-V in FIG. 6 to 8 show further exemplary embodiments in a partially sectioned view and FIG. 9 is the view of the cap from the direction IX in FIG. 8.
In Fig.l ist in der Lampenfassung 1 als Lichtkörper 2 eine Glüh¬ birne eingeschraubt. Auf die Glühbirne 2 ist die erfindungsgemä¬ ße Kappe 3 aufgesteckt, die hier aus einem gefärbten durchsich¬ tigen oder durchscheinenden Material besteht. Dieses Material ist soweit elastisch und so dimensioniert, daß die Kappe auf dem Glaskolben 4 der Glühbirne 2 von selbst hält.In Fig.l a light bulb 2 is screwed into the lamp holder 1 as a light body. The cap 3 according to the invention, which here consists of a colored transparent or translucent material, is attached to the light bulb 2. This material is sufficiently elastic and dimensioned so that the cap on the glass bulb 4 of the bulb 2 holds by itself.
Wie der Fig.2 zu entnehmen ist, geht die Form der Kappe 3 von einer vieleckigen Grundfläche 5 aus, von der nach oben bogenför¬ mig spitz zulaufende Kappenflächen 6 vorgesehen sind. Die Kap¬ penflächen 6 liegen nur abschnittweise am Glaskolben 4 an. An den Kanten 7 zwischen zwei aneinanderliegenden Kappenflächen 6 sind Strömungskanäle für die erhitzte Luft gebildet, sodaß ein Entweichen der heißen Luft möglich ist.As can be seen in FIG. 2, the shape of the cap 3 is based on a polygonal base surface 5, from which cap surfaces 6 tapering towards the top are provided. The cap surfaces 6 rest only in sections on the glass bulb 4. Flow channels for the heated air are formed on the edges 7 between two abutting cap surfaces 6, so that the hot air can escape.
Das Material ist bevorzugt ein hitzebeständiger Kunststoff, wie er kommerziell erhältlich ist. Derartige Kunststoffe vertragen Temperaturen bis zu 200°C und mehr.The material is preferably a heat-resistant plastic, as is commercially available. Such plastics tolerate temperatures up to 200 ° C and more.
Die Zahl der Kanten 7 einer Kappe kann beliebig den Erfordernis¬ sen angepaßt sein. Die Grundfläche 5 kann auch ohne Kanten rund oder abgerundet ausgebildet sein.The number of edges 7 of a cap can be adapted as required. The base area 5 can also be round or rounded without edges.
Bei dem Ausführungsbeispiel gemäß Fig.3 besteht die Kappe 3 aus lichtundurchlässigem oder wenigstens stark lichtabschwächereiem Material mit Durchbrechungen 8. Diese Durchbrechungen können entweder mittels durchgehender Bohrungen oder Ausnehmungen be¬ liebiger ttorißgestaltung gebildet sein, oder es kann auch die Kappe aus einem an sich durchsichtigen oder durchscheinenden Ma¬ terial bestehen, das teilweise lichtundurchlässig beschichtet oder gefärbt ist.In the exemplary embodiment according to FIG. 3, the cap 3 is made of opaque or at least strongly light-attenuating material with openings 8. These openings can either be formed by continuous bores or recesses, or the cap can be made of a transparent or translucent material exist, which is partially opaque coated or colored.
Nach unten hin ist eine Lichtabsch_i_rmung 9 vorgesehen, die die Grundfläche 5 abdeckt und auf der Fassung 1 aufgeschraubt ist. Die Durchbrechungen 8 können z.B. auch in Form von Motiven aus¬ gebildet sein, wodurch gewünschte Lichteffetkte hervorgerufen werden. Derartige Lichteffekte sind z.B. ein Sternenhimmel, Üchtpunkte, Lichtstreifen, Tiermotive oder Comicfiguren. In vorteilhafter Weise kann die erfindungsgemäße Vorrichtung imr- mer wieder verwendet werden und ist leicht gegen einen anderen Farbton auszutauschen. Die Glühbirnen können leicht ausgewech¬ selt werden und nach dem Einsetzen der neuen Glühbirne kann die Kappe mit dem gleichen Farbton wieder aufgesetzt werden. Die Kappen können dimensionsmäßig den Glühbirnen oder Lichtkörpern anderer Arten wie z.B. Leuchtstofflampen oder Leuchtstoffröhren angepaßt sein, sodaß sie leicht aufsteckbar sind und dennoch ge¬ nügend fest halten. Die Kappe kann gegen Feuchtigkeit dicht sein und somit kann die Abschiππung auch bei Gartenbeleuchtungen an¬ gewandt werden. In bevorzugter Weise wird dabei die Lichtab- schir ung 9 so ausgebildet, daß sie die Kappe übergreift und bei nach unten hängender Anordnung der Glühbirne als wasserabweisen¬ des Dach wirkt.At the bottom, a light barrier 9 is provided which covers the base area 5 and is screwed onto the holder 1. The openings 8 can also be designed, for example, in the form of motifs, as a result of which desired light effects are produced. Such lighting effects are, for example, a starry sky, rip points, light strips, animal motifs or cartoon characters. Advantageously, the device according to the invention can always be reused and is easy to replace with a different color. The light bulbs can be easily replaced and, after inserting the new light bulb, the cap can be replaced with the same color. The caps can be dimensionally adapted to the light bulbs or light bodies of other types, such as fluorescent lamps or fluorescent tubes, so that they can be easily plugged on and yet hold sufficiently firmly. The cap can be sealed against moisture and thus the shielding can also be used for garden lighting. In this case, the light shield 9 is preferably designed in such a way that it overlaps the cap and acts as a water-repellent roof when the bulb is arranged downward.
Die Fig.4 zeigt ein weiteres Ausführungsbeispiel in einer Dar¬ stellung analog der Fig.l. Die Kappe 3 aus hitzefestem Kunst¬ stoff ist mit Vorsprüngen versehen, die als Noppen 11 ausgebil¬ det sind und nach innen zum Lichtkörper 2 ragen. Wie man der Schriittdarstellimg in Fig.5 entnehmen kann, ist hier die Kappe 3 mit rundem Querschnitt ausgebildet. Die Noppen 11 sind über den Umfang verteilt und halten die Kappe 3 auf dem Lichtkörper 2, der die Form einer Glühbirne aufweist. Die Neppen 11 dienen ei¬ nerseits der Fixierung der Kappe auf dem Lichtkörper und können andererseits dazu dienen, die Kappe 3 jeweils nur abschnittswei¬ se auf dem Lichtkörper 2 aufliegen zu lassen. Der Querschnitt der Kappe 3 kann auch vieleckig sein, wie in Fig.2 dargestellt.4 shows a further exemplary embodiment in a representation analogous to FIG. 1. The cap 3 made of heat-resistant plastic is provided with projections which are designed as knobs 11 and project inwards towards the light body 2. As can be seen from the step representation in FIG. 5, the cap 3 is formed here with a round cross section. The knobs 11 are distributed over the circumference and hold the cap 3 on the light body 2, which has the shape of a light bulb. The necks 11 serve on the one hand to fix the cap on the light body and on the other hand can serve to let the cap 3 rest on the light body 2 only in sections. The cross section of the cap 3 can also be polygonal, as shown in Fig.2.
Fig.6 zeigt die Seitenansicht einer Kappe 3, bei der die Vor- sprünge als schraubenförmig verlaufende Stege 12 ausgebildet sind. Die Kappe kann so mit einer schraubenartigen Drehbewegung auf die Glühbirne aufgeschraubt werden. Fester Halt und Ventila¬ tion sind dadurch ebenfalls möglich. Die Ausführungsvarianten gemäß den Fig. 7 bis 9 zeigen erfin¬ dungsgemäße Kappen für Lichtkörper in Form von Leuchtstoffröh¬ ren.6 shows the side view of a cap 3, in which the projections are designed as helically extending webs 12. The cap can thus be screwed onto the light bulb with a screw-like rotary movement. A firm hold and ventilation are also possible. The design variants according to FIGS. 7 to 9 show caps according to the invention for light bodies in the form of fluorescent tubes.
Bei der Ausführung nach Fig.7 liegt eine Leuchtstoffröhre 10 vor, die mit Kontakten 14 an den Stirnflächen ausgestattet ist. Die Kappe kann über die Leuchtstoffröhre 10 wie ein Strumpf übergezogen werden und kann ebenfalls eingefärbt oder mit Durch¬ brechungen ausgestattet sein. Wenn eine Ventilation erforderlich ist, kann die Kappe 3 mit nach innen ragenden Noppen versehen sein.7, there is a fluorescent tube 10 which is equipped with contacts 14 on the end faces. The cap can be pulled over the fluorescent tube 10 like a stocking and can also be colored or provided with openings. If ventilation is required, the cap 3 can be provided with inwardly projecting knobs.
Fig.8 zeigt eine Ausbildung einer Kappe für Leuchtstoffröhren, deren Kontakte 14 seitlich angeordnet sind. Die Noppen 11 sind bei diesem Avisführungsbeispiel eingezeichnet. In Ansicht gemäß Pfeil IX ergibt sich das Bild nach Fig.9. Die Kappe 3 weist ei¬ nen Längsschnitt 13 auf, durch den die Leuchtstoffröhre 10 seit¬ lich eingeschoben werden kann. Die Ausneh ungen 15 dienen zur Aufnahme der Kontakte 14. 8 shows an embodiment of a cap for fluorescent tubes, the contacts 14 of which are arranged on the side. The knobs 11 are shown in this advice guidance example. In the view according to arrow IX, the image according to FIG. 9 results. The cap 3 has a longitudinal section 13 through which the fluorescent tube 10 can be inserted laterally. The Ausneh openings 15 serve to receive the contacts 14th
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT93890250T ATE155183T1 (en) | 1993-01-05 | 1993-12-22 | MACHINE FOR SUCTIONING GRAVEL FROM A TRACK GROUND BED |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT11192 | 1992-01-23 | ||
| ATA111/92 | 1992-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1993015357A1 true WO1993015357A1 (en) | 1993-08-05 |
Family
ID=3481815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/AT1993/000001 Ceased WO1993015357A1 (en) | 1992-01-23 | 1993-01-05 | Device for tinting and/or partly masking the light from lamps |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU3152393A (en) |
| WO (1) | WO1993015357A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997003318A1 (en) * | 1995-07-11 | 1997-01-30 | Munther, Charifa | Adaptor to be mounted on a low-energy fluorescent lamp and the use of the adaptor |
| DE29809764U1 (en) * | 1997-12-24 | 1999-04-29 | Jungsberger, Nicola Elisabeth, Dipl.-Designerin, 10115 Berlin | Dimmer hood for attenuating the light emitted by a lighting fixture to illuminate indoor and outdoor facilities |
| DE202011001903U1 (en) | 2011-01-25 | 2011-03-24 | Kovacs, Peter | Lampshade with variable shape |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1014560A (en) * | 1964-05-19 | 1965-12-31 | Philips Electronic Associated | Improvements in or relating to diffusers for tubular lamps |
| US3757105A (en) * | 1971-10-04 | 1973-09-04 | Jack N Mccarthy | Electric light device |
| US4418378A (en) * | 1981-03-05 | 1983-11-29 | Plan Hold Corporation | Light box |
| EP0136990A2 (en) * | 1983-09-21 | 1985-04-10 | Sven Sandell | An electric lamp arrangement |
| WO1988003327A1 (en) * | 1986-10-30 | 1988-05-05 | Colourcover Limited | Coloured electric light devices |
-
1993
- 1993-01-05 WO PCT/AT1993/000001 patent/WO1993015357A1/en not_active Ceased
- 1993-01-05 AU AU31523/93A patent/AU3152393A/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1014560A (en) * | 1964-05-19 | 1965-12-31 | Philips Electronic Associated | Improvements in or relating to diffusers for tubular lamps |
| US3757105A (en) * | 1971-10-04 | 1973-09-04 | Jack N Mccarthy | Electric light device |
| US4418378A (en) * | 1981-03-05 | 1983-11-29 | Plan Hold Corporation | Light box |
| EP0136990A2 (en) * | 1983-09-21 | 1985-04-10 | Sven Sandell | An electric lamp arrangement |
| WO1988003327A1 (en) * | 1986-10-30 | 1988-05-05 | Colourcover Limited | Coloured electric light devices |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997003318A1 (en) * | 1995-07-11 | 1997-01-30 | Munther, Charifa | Adaptor to be mounted on a low-energy fluorescent lamp and the use of the adaptor |
| DE29809764U1 (en) * | 1997-12-24 | 1999-04-29 | Jungsberger, Nicola Elisabeth, Dipl.-Designerin, 10115 Berlin | Dimmer hood for attenuating the light emitted by a lighting fixture to illuminate indoor and outdoor facilities |
| DE202011001903U1 (en) | 2011-01-25 | 2011-03-24 | Kovacs, Peter | Lampshade with variable shape |
Also Published As
| Publication number | Publication date |
|---|---|
| AU3152393A (en) | 1993-09-01 |
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