EP3199870A2 - Lampe électrique - Google Patents

Lampe électrique Download PDF

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Publication number
EP3199870A2
EP3199870A2 EP17150501.9A EP17150501A EP3199870A2 EP 3199870 A2 EP3199870 A2 EP 3199870A2 EP 17150501 A EP17150501 A EP 17150501A EP 3199870 A2 EP3199870 A2 EP 3199870A2
Authority
EP
European Patent Office
Prior art keywords
housing
lamp unit
reflector
lamp
electric lamp
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Withdrawn
Application number
EP17150501.9A
Other languages
German (de)
English (en)
Other versions
EP3199870A3 (fr
Inventor
Michael TRENDE
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.)
ELPRO Lichttechnik GmbH
Original Assignee
ELPRO Lichttechnik GmbH
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 ELPRO Lichttechnik GmbH filed Critical ELPRO Lichttechnik GmbH
Publication of EP3199870A2 publication Critical patent/EP3199870A2/fr
Publication of EP3199870A3 publication Critical patent/EP3199870A3/fr
Withdrawn legal-status Critical Current

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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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/24—Lazy-tongs
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to an electric lamp, at least comprising a lamp housing with bottom and side walls, with at least one reflector, also comprising a lamp unit with cooler and at least one light emitting diode (LED), which is surrounded by the reflector or disposed between the reflectors, wherein the Light emission of the LED or LEDs approximately horizontally in the direction of the reflector or the reflectors takes place.
  • a lamp housing with bottom and side walls with at least one reflector, also comprising a lamp unit with cooler and at least one light emitting diode (LED), which is surrounded by the reflector or disposed between the reflectors, wherein the Light emission of the LED or LEDs approximately horizontally in the direction of the reflector or the reflectors takes place.
  • LED light emitting diode
  • Such electrical lights are widely known in the art.
  • the lights are used both in the commercial sector as well as in the private sector in a variety of applications.
  • a possible task of such a luminaire in the commercial or field to enable the illumination of an object such as a shelf by a targeted directed light.
  • a targeted directed light In order to enable this targeted illumination in particular of a shelf different solutions are known in the art.
  • the reflector must be adjusted within the lamp according to the shelf size and according to the light exit angle from the electric lamp. To adjust, it is usually necessary to first loosen the reflector, then align it and finally fix it in the desired position.
  • a light source is used with a fixed predefined light exit angle depending on the desired light exit angle. Subsequently, by changing the distance of the entire luminaire to the object to be illuminated, for example a shelf, the light exit angle for the illumination of the shelf can be adjusted.
  • the present invention seeks to provide an electric lamp of the type mentioned, in the fast and very simple and thereby reproducible by a layman way the light exit angle in particular for the illumination of objects such Shelves adjustable and thus adaptable to the respective shelf, which is inexpensive and easy to manufacture and has a long service life.
  • the invention proposes that the lamp unit with cooler and LED height-adjustable relative to the bottom of the housing and the reflector or the reflectors is arranged, depending on the height of the light emission, another area of the reflector or the reflectors illuminated and thus the Light exit angle can be increased or increased or reduced or reduced.
  • the lamp unit with radiator and LED relative to the bottom of the housing on the other hand and with respect to the reflector or the other is adjustable in height, depending on the height of the light output from the LEDs of the lamp unit, the light exit angle can be increased or decreased to him exactly to the illuminated object , such as a shelf, adapt.
  • the reflector is concave relative to the side wall or the side walls of the housing, so that depending on the height of the light occurring on the reflector in each case a certain light exit angle is generated from the electric lamp out.
  • the light exit angle of the light radiating out of the electric light for example, for the targeted illumination of a shelf by the Height adjustment of the light generated by the lamp unit relative to the reflector unit surrounding the lamp unit can be adjusted as needed.
  • the housing has a polygonal, in particular a rectangular, box-like shape, wherein along each inner longitudinal side of the rectangular shape extending per a reflector is arranged.
  • the luminaire can therefore have any square, in particular rectangular, box-like form.
  • electrical lights are used to illuminate rectangular shelves.
  • the housing may have a longitudinally displaceable control slide, which is connected on the inside to a first wedge-shaped actuating means, which is connected to a bottom Base surface rests on the inside or close to the floor and with respect to the inside of the floor on the one hand and a wedge-shaped element which is arranged or formed on the lamp unit on a side facing the bottom of the housing of the lamp unit, is longitudinally displaceable, wherein the wedge-shaped actuator and the wedge-shaped element lie with their sloping surfaces together and so against each other longitudinally displaceable are that the distance of the lamp unit to the bottom of the housing can be increased or increased or reduced or reduced.
  • the lamp unit with radiator and LEDs is provided with a wedge-shaped element, which is arranged between the bottom of the housing and a wedge-shaped element between the bottom and wedge-shaped extending wedge-shaped adjusting means, which is arranged longitudinally displaceable on the ground.
  • a wedge-shaped element which is arranged between the bottom of the housing and a wedge-shaped element between the bottom and wedge-shaped extending wedge-shaped adjusting means, which is arranged longitudinally displaceable on the ground.
  • the lock slider, with the wedge-shaped Adjusting means is longitudinally displaced, whereby the longitudinal displacement in a first direction, the distance of the lamp unit is increased to the bottom of the housing and the longitudinal displacement in the opposite direction, the distance of the lamp unit is reduced to the bottom of the housing.
  • the wedge-shaped adjusting means and the wedge-shaped element which is arranged on the lamp unit, with their oblique surfaces in the opposite direction, that is, that the broad wedge end of the wedge-shaped actuating means approximately close to the narrow end of the wedge-shaped element and the wide end of the wedge-shaped element is arranged near the narrow end of the wedge-shaped actuating means.
  • At least one scissor lift is arranged by means of a spindle from a flat position in which the lamp unit is located near the bottom of the housing in a splayed position in which the lamp unit of Floor of the housing is removed, and back to the flat position, adjustable or adjusted.
  • a scissor lift is arranged at or near each frontal end of the electric lamp.
  • the distance between the lamp unit and the floor can be changed quickly and easily by adjusting the respective scissor lift. so that even by this solution, the light exit angle is adjustable by the fact that the light is directed to another area of the reflector surrounding the lamp unit.
  • the scissor lift which is actuated for example by means of a laterally attached to the lamp spindle or similar adjustment screw, adjust accordingly in a spread or in a flat position to the desired light exit angle by changing the distance between the lamp unit and to achieve the reflector. Even such a solution can be done without the aid of specialized tools by inexperienced users, in a quick and easy way.
  • the invention proposes that between at least one side wall of the housing and the lamp unit is arranged approximately vertically arranged, flat construction part with an obliquely extending between the bottom of the housing and the lamp unit recess in the recess Web or the like an adjusting agent-forming element, which is arranged approximately horizontally projecting from the lamp unit on this or is part of this, is guided so that the distance of the lamp unit to the bottom of the housing can be continuously increased or displaced by moving the web within the guide recess forming oblique increased or reduced or reduced.
  • the distance between the lamp unit and the bottom of the housing and thus the light exit angle from the electric lamp can be changed in a particularly fast and simple manner.
  • an actuating means such as a web in an obliquely extending recess relative to the housing, are adjusted to the desired position.
  • the extending recesses are formed sloping rising in the direction of the bottom, so that by means of the guided in the recesses web when adjusting the lamp unit in an approximate to the ground or in a further away from the ground position is adjustable.
  • the light generated by the LEDs impinges on another area of the reflector, whereby in each case a different light exit angle is generated out of the lamp.
  • This also allows an untrained user in a quick and easy way, namely by adjusting the lamp unit along the inclined recesses relative to the bottom of the housing adjust the light exit angle of the electric light to the object to be illuminated, especially shelf.
  • a lock slider which passes through the bottom of the housing approximately vertically and is longitudinally guided, be provided by means of which an operator can adjust the lamp unit in height relative to the ground.
  • the invention proposes that at the bottom of the housing a rotatable about an approximately vertical axis of rotation body with a rotational direction about the axis of rotation around the bottom of the housing rising surface and at the bottom of the housing facing the region Luminaire unit is arranged and fixed in a reversed position to the rotating body identical body whose rising surface contacts the rising surface of the rotatable body or rests against this surface, by the rotational movement of the lamp unit from a first position in which the lamp unit near the bottom of the Housing is arranged steplessly in a position in which the lamp unit is removed from the bottom of the housing, and back to the first position, adjustable or adjusted.
  • this solution according to the invention is for adjusting the distance between the bottom of the housing and the lamp unit about an approximately perpendicular to the bottom of the housing axis of rotation rotatable body with a first, opposite the bottom of the housing level bearing surface and a second, in the opposite direction rising surface, arranged.
  • This rotatable body is arranged in reverse position to an identical body which is fixed to the lamp unit with its flat base.
  • the distance between the lamp unit and the bottom of the housing When rotated about the vertical axis of rotation of the rotatable body displaced by the rising surface, which displaces the rising surface of the identical body when turning, the distance between the lamp unit and the bottom of the housing.
  • This also allows the distance between the bottom of the housing and the lamp unit to be adjusted in a particularly quick and simple manner, namely by rotating the rotatable body, in order to set the desired light exit angle for illuminating the object, in particular the shelf.
  • the rotation can also be done in this solution by an untrained user, since this can be dispensed with the use of expertise or special tools.
  • the adaptation to the illumination of the object takes place by simply turning in one direction or turning back in the opposite direction of the rotatable body.
  • a recess is formed on the housing or at the bottom of the housing with a scaling arranged at or near the recess, in which a position indicator connected to the luminaire unit For example, a web, which is guided along the scale in the recess, is arranged.
  • position indicators are arranged on the housing or on the bottom of the housing.
  • the lock slider can also serve as a position indicator.
  • the position indicator is arranged to extend along a scale, which indicates the respective position, ie height, of the lamp unit relative to the bottom of the housing and the light exit angle set thereby.
  • the user can quickly adjust or set a plurality of lights to predetermined light exit angles. It is only necessary to adjust the first lamp according to the desired illumination, and then read the position of the position indicator and be adapted to other adapted electrical lights.
  • a variety of electrical lights can be adapted within a very short time to an identical light exit angle.
  • the front side of the housing or at the front ends of the housing facing end portions of the LEDs of the lamp unit anti-glare in particular an anti-glare plate or an anti-glare surface are arranged or is.
  • anti-glare agents such as anti-glare panels or appropriately shaped anti-glare surfaces.
  • the anti-glare panels can be arranged not only at the front ends of the housing but alternatively or additionally to the arranged in the longitudinal direction of the electric lamp ends of the LEDs.
  • the radiator of the lamp unit is formed by a heat sink with extending in the longitudinal direction of cooling fins and ventilation slots, the ventilation slots open to the bottom of the housing open and the bottom of the housing has recesses there.
  • the heat sink according to the invention has, in addition to the cooling fins extending in the longitudinal direction, ventilation slots which open out through the heat sink in the direction of the bottom of the housing.
  • an active cooling in particular by the arrangement of electrically operated fans to support the heat sink and the particularly effective discharge of a large amount of heat generated can be provided.
  • the change in the light exit angle can not be sufficiently adapted to the object to be illuminated by the height adjustment of the lamp unit with radiator relative to the bottom of the housing and the reflector. Due to the additional possibility of pivoting the side wall of the housing together with the attached reflector or the reflector alone, so without the side wall of the housing, along the central longitudinal axis of the bottom of the electric lamp or a parallel to the central longitudinal axis of the electric lamp, the area of illumination of the object to be illuminated as desired be enlarged. This may be necessary in particular when, for example, the lateral distance of the objects to be illuminated is so great that an adjustment by the height adjustment alone is no longer possible.
  • This light emitted by the further reflectors serves, for example, to illuminate a path or passage between two objects to be illuminated, such as shelves, without dazzling persons who use this passage.
  • the electrical lamp 1 has at least one luminaire housing with base 2 and side walls 3.
  • the electrical luminaire 1 has at least one reflector 4, in the exemplary embodiments in each case two reflectors 4 arranged lengthwise opposite one another.
  • the electric lamp 1 has a lamp unit with cooler 5 and light-emitting diodes 6 (LEDs).
  • the LEDs 6 are surrounded by the reflectors 4 or arranged between the reflectors 4.
  • the light emission from the LEDs 6 takes place approximately horizontally in the direction of the reflector 4 surrounding the respective lighting unit.
  • the reflector 4 in turn emits the light in the direction of the object to be illuminated, in particular a shelf.
  • the lamp unit with cooler 5 and LEDs 6 is vertically adjustable relative to the bottom 2 of the housing and thus arranged with respect to the reflectors 4.
  • the light impinges on another region of the respective reflector 4, as a result of which the light emission angle out of the electric light 1 can be changed to the object to be illuminated, in particular a shelf.
  • the light exit angle can be adapted in a particularly fast and simple manner be that an exact illumination of the illuminated object such as shelves is done.
  • the housing has a rectangular, box-like shape. Running along each inner longitudinal side of the rectangular shape is ever a reflector 4 is arranged.
  • the housing has the bottom 2 to the outside by a longitudinally displaceable locking slide 8, which is connected on the inside bottom with a wedge-shaped adjusting means 9.
  • the wedge-shaped adjusting means 9 is arranged with a base on the bottom inside resting or close to this and opposite the bottom inside one hand and a wedge-shaped element 10 which is formed on the lamp unit on a bottom 2 of the housing side facing the lamp unit, longitudinally displaceable.
  • the wedge-shaped adjusting means 9 and the wedge-shaped element 10 with their sloping surfaces 9a and 10a abut each other they are so longitudinally displaceable against each other that the distance between the lamp unit to the bottom 2 of the housing can be increased or reduced.
  • FIG. 5 shown embodiment of the invention is disposed between the bottom 2 of the housing and the lamp unit each near each front end of the electric lamp 1 each a scissor lift 11.
  • This also makes it possible in a particularly fast and simple manner, namely by adjusting the scissor stroke from a flat position in the the lamp unit is arranged near the bottom 2 of the housing, in a spread position, in which the lamp unit from the bottom 2 of the housing is further removed and optionally adjusted back to the flat position of the light exit angle from the electric lamp 1 by a user.
  • the distance between the bottom 2 of the housing and the lamp unit 2 is adjusted, so that even in this solution, the light emission from the LEDs when adjusting the scissor lift 11 to each other area of the LED 6 surrounding reflector 4 applies whereby the light exit angle from the electric lamp 1 out on the object to be illuminated is changeable and adaptable according to the object to be illuminated.
  • the light exit angle from the electric lamp 1 out for the illumination of a corresponding object such as a shelf can be done in a quick and easy way without the aid of special tools.
  • an adjusting means such as a spindle 12 is provided at the front end of an electric lamp 1, which increases the light exit angle by simply rotating in one direction Twisting in the opposite direction reduces the light exit angle.
  • the adjustment of the lamp unit relative to the bottom 2 of the housing is characterized in that between at least one side wall 3 of the housing and the lamp unit is an approximately vertically arranged, flat construction part 13 with an obliquely extending between the bottom 2 of the housing and the lamp unit recess 14th is arranged.
  • a web 15 is arranged in the embodiment. The web 15 projects in the exemplary embodiment approximately horizontally from the lamp unit and is guided in the oblique recess 14.
  • a lock slide 8 in the FIG. 2 is shown and is used in several embodiments, be provided. To adjust a user only has to move the lock slider 8, which is connected to parts of the lamp unit, wherein a height adjustment of the lamp unit relative to the bottom 2 of the lamp 1 is effected by the positive guidance of the web 15 along the oblique recess 14.
  • a body 17 rotatable about an approximately vertical axis of rotation 16 relative to the bottom 2 of the housing is provided on the bottom 2 of the housing.
  • the rotatable body 17 is disposed with a first flat surface resting on the bottom 2 of the housing and rotatable about an approximately vertical axis of rotation 16.
  • the rotatable body 17 in this case has a relative to the bottom 2 of the housing in the direction of rotation rising surface 18.
  • an identical body 19 is arranged in a reverse position relative to the rotatable body 17 and fixed with its flat bearing surface on the lamp unit 19.
  • the rising surface 20 of the identical body 19 contacts the rising surface 18 of the rotatable body 17 and at least partially abuts against this surface 18. Due to the rotational movement of the rotatable body 17, a displacement of the identical body 19 takes place in a position further away from the bottom 2 of the housing. This is done by the rising surfaces 18 and 20 abut each other and when rotating the rotatable body 17 relative to the identical body 19, the rising surface 18 of the rotatable body 17, the rising surface 20 of the identical body 19 displaced.
  • the displacement takes place steplessly, so that thereby also the distance between the lamp unit to the bottom 2 of the electric lamp 1 is arbitrarily changeable to exactly match the light exit angle of the electric lamp 1 to the object to be illuminated, in particular shelf.
  • the rotation of the rotatable body 17 can be effected by an attack, which extends through the bottom 2 of the housing to the outside and there is adjustable, for example, with a hand attack or a tool attack.
  • this solution is a cost-effective and easy-to-manufacture solution that has a long service life.
  • a scale 22 surrounding the recess 21 is arranged or formed on the bottom 2 of the housing.
  • a position indicator in the form of a web which is guided along the scale 22 in the recess 21, can be arranged.
  • no additional web is needed because the lock slider 8 also serves as a position indicator.
  • the respective position of the position indicator or control slide 8 can also be reproduced by the untrained user in a simple manner to provide multiple lights 1 with an identical light exit angle. For this purpose, only the position indicator, such as the lock slider 8, in all electrical lights 1 must be in an identical position relative to the scale 22.
  • both on the LEDs 6 and on the Front side of the housing anti-glare disposed in the form of anti-glare panels 23.
  • the radiator 5 of the lamp unit consists of a heat sink with cooling fins 24 extending in the longitudinal direction and ventilation slots 25.
  • the ventilation slots 25 are open towards the bottom 2 of the housing so that heated air rising out of the ventilation slots 25 in the direction of the bottom 2 of the housing Housing out of the heat sink can escape.
  • the bottom 2 of the housing has recesses 26 in the region there, which allow the heated air to flow out of the housing through the bottom 2 of the housing.
  • the cooler 5 may have additional electric fans, which increase the heat dissipation.
  • the pivot axis may, as shown in the embodiment, be arranged at a distance from the central longitudinal axis of the bottom 2 of the housing.
  • the respective reflector 4 illuminating lamp unit with respect to the reflector 4 is height adjustable, depending on the height of the light emission from the LEDs 6, another area of the reflector 4 is illuminated and thus the light exit angle is desired enlargeable or reducible.
  • each case further reflectors 28 are arranged over the course of the length of the electric lamp 1 laterally next to the LEDs 6.
  • the further reflectors 28 reflect generated by the LEDs 6 Scattered light in a direction approximately perpendicular to the LEDs 6 direction. This makes it possible, by otherwise unused stray light, which is generated by the LEDs 6, an area directly below the electric lamp 1, which forms, for example, a corridor between two shelves, selectively illuminate without dazzling in this area passing people.
  • the amount of stray light so used is sufficient to illuminate the passage below the electric light without causing the thereby undesirable glare for people.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP17150501.9A 2016-01-27 2017-01-06 Lampe électrique Withdrawn EP3199870A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202016100354.7U DE202016100354U1 (de) 2016-01-27 2016-01-27 Elektrische Leuchte

Publications (2)

Publication Number Publication Date
EP3199870A2 true EP3199870A2 (fr) 2017-08-02
EP3199870A3 EP3199870A3 (fr) 2017-11-08

Family

ID=57755210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17150501.9A Withdrawn EP3199870A3 (fr) 2016-01-27 2017-01-06 Lampe électrique

Country Status (2)

Country Link
EP (1) EP3199870A3 (fr)
DE (1) DE202016100354U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202022106491U1 (de) 2022-11-21 2024-02-28 BÄRO GmbH & Co. KG Leuchte mit veränderbarer Abstrahlcharakteristik, Beleuchtungssystem und Verwendung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19822580A1 (de) * 1998-05-20 1999-12-02 Waldmann Gmbh & Co Herbert Leuchte mit verstellbarem Reflektor
DE20002565U1 (de) * 2000-02-14 2001-06-28 Zumtobel Staff Ges.M.B.H., Dornbirn Leuchtdiodenanordnung mit Reflektor
US7207698B2 (en) * 2004-03-30 2007-04-24 Irwin Kotovsky Method and apparatus for lighting involving reflectors
US7246926B2 (en) * 2004-05-11 2007-07-24 Harwood Ronald P Color changing light fixture
US7431482B1 (en) * 2005-06-21 2008-10-07 W.A.C. Lighting Co. Modular downlight assembly
TWI359925B (en) * 2008-11-28 2012-03-11 Ind Tech Res Inst Illumination device
CN104633500B (zh) * 2009-08-19 2018-09-28 Lg伊诺特有限公司 照明装置
DE202011003261U1 (de) * 2011-02-25 2011-04-28 Hess Verwaltungs-Gmbh Leuchteneinsatz, insbesondere für eine Bodenleuchte
US9410680B2 (en) * 2013-04-19 2016-08-09 Quarkstar Llc Illumination devices with adjustable optical elements
DE102013220876A1 (de) * 2013-10-15 2015-04-16 Trilux Medical Gmbh & Co. Kg LED-OP-Leuchte

Non-Patent Citations (1)

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Title
None

Also Published As

Publication number Publication date
EP3199870A3 (fr) 2017-11-08
DE202016100354U1 (de) 2017-05-02

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