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EP3318799B1 - Connecteur pour dispositifs d'éclairage, dispositif et procédé d'éclairage correspondants - Google Patents

Connecteur pour dispositifs d'éclairage, dispositif et procédé d'éclairage correspondants Download PDF

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Publication number
EP3318799B1
EP3318799B1 EP17197271.4A EP17197271A EP3318799B1 EP 3318799 B1 EP3318799 B1 EP 3318799B1 EP 17197271 A EP17197271 A EP 17197271A EP 3318799 B1 EP3318799 B1 EP 3318799B1
Authority
EP
European Patent Office
Prior art keywords
connector
casing
tilting
distal end
module
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.)
Not-in-force
Application number
EP17197271.4A
Other languages
German (de)
English (en)
Other versions
EP3318799A1 (fr
Inventor
Simon BOBBO
Roberto DIDONE'
Alberto ZANOTTO
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.)
Osram GmbH
Osram SpA
Original Assignee
Osram GmbH
Osram SpA
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 Osram GmbH, Osram SpA filed Critical Osram GmbH
Publication of EP3318799A1 publication Critical patent/EP3318799A1/fr
Application granted granted Critical
Publication of EP3318799B1 publication Critical patent/EP3318799B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2406—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation having needles or pins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2412—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by insulated cams or wedges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/20—End pieces terminating in a needle point or analogous contact for penetrating insulation or cable strands

Definitions

  • the present description relates to lighting devices.
  • One or more embodiments may be applied to lighting devices employing electrically-powered light radiation sources, e.g. solid-state lighting sources such as LED sources.
  • electrically-powered light radiation sources e.g. solid-state lighting sources such as LED sources.
  • connectors adapted to be coupled at one end of a module, so as to establish an electrical connection (power supply and optionally control) of the radiation sources included in the module.
  • connectors may be used which are adapted to be plugged into a head section of the module.
  • connectors which may be inserted into the module at a head location, a female part of the connector being co-moulded, glued or fixed in any other way.
  • a module may be cut to length according the application and usage needs, but the scraps deriving from the cutting operation may no longer be usable.
  • Document US 6 299 469 B1 which may be held to represent the closest prior art, discloses a splice clamp for splicing flexible circuit boards having two hinged plates that clamp over unconnected ends of two flexible circuit board segments.
  • the splice clamp includes jumpers to contact and provide an electrical bridge between the conductors of the segments when the plates are clamped together, wherein the jumpers may have pointed tips that cut through insulation.
  • the clamp includes flexible clasps on one plate that engage with catch surfaces on the other plate to lock the flexible circuit board segments spliced together.
  • One or more embodiments aim at overcoming the previously described drawbacks.
  • said object may be achieved thanks to a connector having the features set forth in claim 1 that follows.
  • One or more embodiments may also concern a corresponding lighting device, as well as a corresponding method.
  • One or more embodiments may lead to achieve a connector having an overall reduced size, adapted to be plugged (even by the final user) into a cut end of a lighting module having a small size. This is true also if said end portion originates from cutting the module, in order to meet specific application and usage needs.
  • reference M denotes a lighting device (module) having an elongate (optionally ribbon-like and/or flexible) shape, adapted to employ electrically-powered light radiation sources, e.g. solid-state light radiation sources (SSL) such as LED sources.
  • electrically-powered light radiation sources e.g. solid-state light radiation sources (SSL) such as LED sources.
  • Such modules M may include (see e.g. Figure 10 ) a channel-shaped casing M12, hosting a support M14 substantially similar to a Printed Circuit Board (PCB) carrying electrically-powered light radiation sources M16, e.g. LED sources.
  • PCB Printed Circuit Board
  • a sealing mass M18 including e.g. a diffusive light-permeable material is adapted to be inserted inside casing M12, thus providing a module M as considered herein with protection features against the penetration of foreign agents (e.g. having an IP protection degree).
  • An optical element M180, e.g. having the properties of a lens, may be placed facing sources M14.
  • the power supply (and optionally the control) of sources M16 may be implemented via electrical lines, exemplified herein as two lines M20 extending on support M12 lengthwise of module M.
  • a module as module M (adapted to have any shape and size, e.g. having a cross section which may be rectangular - as in the presently illustrated non-limiting examples, - or square, polygonal, circular, etc.) may have a surface S, e.g. a front surface, wherefrom the light radiation is emitted.
  • Lighting devices (modules) of the previously described exemplary type are known in the art, which makes it unnecessary to provide a more detailed description herein.
  • a module M as illustrated herein may be considered in itself as a module of indefinite length, adapted to be cut to length according to the application and usage needs.
  • the cutting operation may originate end surfaces (which usually extend in a transversal plane with respect to the lengthwise extension of the module) which may be left uncovered, since the protection against the penetration of foreign agents may be jeopardized by the cutting operation.
  • One or more embodiments may therefore provide a connector 100 which, in addition to facilitating the mechanical and electrical connection (power supply and optionally control) of the light radiation sources, e.g. the sources denoted as M16 in Figure 10 , with one or more electric cables C, may favour achieving and/or maintaining protection features of the assembly of module M and connector 100 against the penetration of foreign agents, e.g. with an IP protection degree.
  • connector 100 may include a casing 102 adapted to have a general tubular (closed or open) shape, with a section profile enabling the fitting thereof onto an end portion E of module M.
  • module M may have a rectangular cross-section profile, and also casing 102 of connector 100 may have a rectangular cross-section profile.
  • connectors 100 may be used which have a casing 102 with a correspondingly different cross-section profile, so as to enable connector 100 to be fitted onto an end portion E of module M, optionally in tight-fitting conditions.
  • end portion E of module M onto which connector 100 is adapted to be fitted may derive from cutting to length a module M initially having indefinite length.
  • reference E denotes any one of the mutually facing ends deriving from cutting to length a module M.
  • a connector 100 according to one or more embodiments is thus adapted to be fitted also on fragments, i.e. scraps, deriving from cutting to length a module M.
  • casing 102 may be considered as having a "distal" end 102a, destined to be fitted onto module M and, on the opposite side, a "proximal" end 102b which is adapted, in one or more embodiments, e.g. exemplified in Figures 1 and 8 , to be closed by an end cap 104, acting so to say as a closing plug of casing 102 of connector 100.
  • said cap 104 may be traversed (optionally sealingly closing and therefore safeguarding the protection degree) by one or more cables C, adapted to establish an electrical contact e.g. with lines M20 ( Figure 10 ), so as to act as power supply and optionally control cables for the light radiation sources (e.g. M16) of module M.
  • cables C adapted to establish an electrical contact e.g. with lines M20 ( Figure 10 ), so as to act as power supply and optionally control cables for the light radiation sources (e.g. M16) of module M.
  • connector 100 may include (mounted e.g. by means of pins or pivots on casing 102) a tilting member 106, adapted to tilt back and forth about an axis X106 extending transversely of the longitudinal extension direction of casing 102 (and therefore of module M), denoted e.g. as X102 in Figures 3 to 7 .
  • axis X106 may extend in the direction of one of the pairs of sides (e.g. of the longer sides) of said section profile.
  • member 106 may be adapted to perform - with respect to axis X106 - a tilting (or swivelling) movement between:
  • connector 100 may also be provided (e.g. at casing 102) with a stopping formation 102c adapted to include e.g. a tooth or similar latch mechanism adapted to retain, e.g. by snap-fitting, the tilting member 106 in the advanced/distal position thereof (see e.g. Figures 4 to 7 ) .
  • a stopping formation 102c adapted to include e.g. a tooth or similar latch mechanism adapted to retain, e.g. by snap-fitting, the tilting member 106 in the advanced/distal position thereof (see e.g. Figures 4 to 7 ) .
  • casing 102, cap 104 and tilting member 106 of connector 100 may comprise a moulded plastic material.
  • member 106 may be implemented as a prism-shaped body, e.g. with triangular cross-section, coupled by means of a pivot to the body of connector 100 in such a way as to locate axis X106 approximately at one of the edges of prism 102.
  • member 106 may be implemented as a prism-shaped body, e.g. with triangular cross-section, coupled by means of a pivot to the body of connector 100 in such a way as to locate axis X106 approximately at one of the edges of prism 102.
  • a member 106 having a different shape.
  • member 106 may carry, in a generally distal position, i.e. in a position facing end 102a which is to be fitted on a module M, one or more electrical contacts 108 adapted to be connected to cable(s) C converging into connector 100.
  • two contacts 108 e.g. positioned side by side.
  • the number of contacts 108 may be any number, selected as a function of the application and usage conditions.
  • the contact(s) 108 may have a tooth-like shape, e.g. a puncturing profile (having e.g. a sharp end).
  • contact (s) 108 may have a generally arch-shaped curved (e.g. at least approximately circular) profile, with the concavity facing axis X106.
  • contact(s) 108 may establish an electrical contact (optionally also with a certain puncturing effect) with electrically conductive lines M20 ( Figure 10 ) connected to the light radiation sources M16, supporting therefore the implementation of an electrical contact between the sources and cable(s) C.
  • Said penetrating movement which is adapted to take place along a curved path (the centre whereof approximately corresponds to axis X106) originates moreover a sufficiently firm mechanical contact between connector 100 and module M, since contact(s) 108 act as teeth which "bite" module M, so that connector 100 is anchored on module M.
  • said puncturing movement may be supported by employing - for the portion of module M which is "bitten" by contact(s) 108 - a material such as silicone, into which contact (s) 108 may penetrate without requiring the exertion of a significant force in order to produce the corresponding tilting movement of member 106a.
  • member 106 (which may be e.g. prism-shaped) may have an end 106a (e.g. an edge) adapted 106a to optionally protrude outside casing 102, and to perform the function of an actuating portion of the member, i.e. a portion which may be acted upon (e.g. by means of a finger) to tilt member 16 from the retracted position of Figure 3 to the advanced position of Figure 4 .
  • end 106a e.g. an edge
  • actuating portion of the member i.e. a portion which may be acted upon (e.g. by means of a finger) to tilt member 16 from the retracted position of Figure 3 to the advanced position of Figure 4 .
  • the distance between contact (s) 108 and tilting axis X106 may be shorter than the distance between tilting axis X106 and actuating portion 106a, which may be acted upon to tilt member 16. In this way a favourable lever effect is obtained, adapted to reduce the force which must be exerted to achieve the penetration of contact (s) 108 into module M.
  • the presence of the stopping element 102c may moreover help member 106 to remain in the distal position, where contact(s) 108 penetrate into module M.
  • member 106 may be associated with a bias member 110 (e.g. a helical spring torsionally acting at the tilting axis X106), which biases member 106 towards the distal position, thus cooperating both with the penetration movement of contact(s) 108 into module M and with the action of retaining member 106 in the distal position.
  • a bias member 110 e.g. a helical spring torsionally acting at the tilting axis X106
  • the retention of contact(s) 108 in engagement with module M may be made firmer by locally applying adhesive matter.
  • the retention of connector 100 fitted onto end E of module M may be supported by various means, e.g. by means of a double-sided adhesive tape 112 (visible in Figure 10 ) between casing M12 of module M and a wall facing the same of casing 102 of connector 100.
  • a double-sided adhesive tape 112 visible in Figure 10
  • a glue e.g. a silicone adhesive
  • a glue may be applied on the whole or on part of the surface of connector 100 which is fitted onto end E of module M.
  • one or more solutions for consolidating the connection described in the foregoing may help achieving a protection degree against the penetration of foreign agents, e.g. with an IP protection degree.
  • the sealing action of connector 100 on end E of module M may optionally be strengthened by fitting and shrinking, around the portion of connector 100 which is coupled to module M, a cable tie 114 (see e.g. Figure 6 ) substantially similar to a hose clamp, e.g. as commonly used to ensure the tightness of hydraulic pipes.
  • the body of connector 100 may include, at least in the distal portion 102a which is to be fitted onto module M, a deformable material (e.g. a plastic material, a silicone material, etc.) adapted to shrink around module M, with a clamping action which may be increased by applying a cable tie, such as band 114 exemplified in Figure 6 .
  • a deformable material e.g. a plastic material, a silicone material, etc.
  • the inner surface of distal portion 102a of connector 100, which is to be fitted onto end E of module M, may be provided with tiny ribs (or generally speaking of sculptured formations) 116, having a height, e.g., of about 0.3-0.4 mm, adapted to perform a sealing function at least approximately similar to an O-ring.
  • the coupling of end cap or plug 104 with casing 102 may entail, in one or more embodiments, a coupling (by form fitting, e.g. a dovetail coupling, a male-female joint, etc. and/or by means of an adhesive) that is adapted to favour the achievement of an IP protection degree, which may also be quite high.
  • a coupling by form fitting, e.g. a dovetail coupling, a male-female joint, etc. and/or by means of an adhesive
  • This also applies to the passage of cable(s) C through openings 104a in cap 104, which are adapted to be implemented (as commonly known) in such a way as to ensure a desired protection degree.
  • Figure 9 exemplifies the possibility, offered by one or more embodiments, of mounting a lighting device including a module M having, associated thereto, a connector 100 as exemplified herein, in installation conditions which are not easily achievable in traditional solutions.
  • Figure 9 exemplifies the possibility of realizing, into a mounting surface (e.g. wall W), a groove G wherein the assembly including module M and connector 100 may be placed, as schematically illustrated in a dashed line in Figure 9 , i.e. with a minimum outward protrusion (practically flush with surface W).
  • a mounting surface e.g. wall W
  • a groove G wherein the assembly including module M and connector 100 may be placed, as schematically illustrated in a dashed line in Figure 9 , i.e. with a minimum outward protrusion (practically flush with surface W).
  • connector 100 (the casing 12 whereof is shown in Figure 10 ) has cross-section dimensions which are slightly larger than module M.
  • a mounting condition as exemplified in Figure 9 may be easily achieved e.g. by applying, on the bottom of groove G, a double-sided adhesive tape T.
  • One or more embodiments may therefore concern an electrical connector (e.g. 100), including:
  • said casing may include a proximal end (e.g. 102b) opposite said distal end, with said tilting member having an actuating portion adapted to protrude from said proximal end of the connector casing (at least when said tilting member is in said retracted position), wherein said tilting member is tiltable from said retracted position to said advanced position by force exerted on said actuating portion.
  • a proximal end e.g. 102b
  • said tilting member having an actuating portion adapted to protrude from said proximal end of the connector casing (at least when said tilting member is in said retracted position), wherein said tilting member is tiltable from said retracted position to said advanced position by force exerted on said actuating portion.
  • said casing may include a latch member (e.g. 102c) for latching, preferably by snap-fit action, the tilting member in said advanced position.
  • a latch member e.g. 102c
  • One or more embodiments may include an elastic bias member, preferably a helical spring (e.g. 110) acting around said tilting axis, adapted to bias said tilting member towards said advanced position.
  • an elastic bias member preferably a helical spring (e.g. 110) acting around said tilting axis, adapted to bias said tilting member towards said advanced position.
  • One or more embodiments may include (in order to facilitate the sealing coupling of said distal end of the connector around said end portion of the lighting module) at least one feature out of:
  • said casing may include a proximal end opposite said distal end with an end cap (e.g. 104) for sealingly closing said proximal end, said end cap optionally including a sealed passageway (e.g. 104a) for at least one electrical cable (e.g. C).
  • an end cap e.g. 104 for sealingly closing said proximal end
  • said end cap optionally including a sealed passageway (e.g. 104a) for at least one electrical cable (e.g. C).
  • One or more embodiments may concern a lighting device (M, 100), including:

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (8)

  1. Un connecteur électrique (100), comprenant :
    - un boitier tubulaire (102) ayant un axe longitudinal (X102) avec une extrémité distale (102a) pouvant être couplée à une partie d'extrémité (E) d'un module d'éclairage allongé (M),
    - un élément basculant (106) pouvant basculer entre une position rétractée en éloignement de ladite extrémité distale (102a) et une position proéminente en direction de ladite extrémité distale (102a) autour d'un axe de basculement (X106) s'étendant transversalement audit axe longitudinal (X102),
    - au moins un contact électrique en forme de dent (108) porté par ledit élément basculant (106) tourné en direction de ladite extrémité distale (102a) du boitier de connecteur (102), le au moins un contact électrique (108) étant apte à pénétrer dans ladite partie d'extrémité (E) du module d'éclairage (M) sous l'effet du basculement de l'élément basculant (106) de ladite position rétractée à ladite position proéminente, dans lequel
    - ledit au moins un contact électrique en forme de dent (108) comprend une forme perforante effilée, et
    - ledit au moins un contact électrique en forme de dent (108) comprend une forme arquée, avec une concavité tournée vers ledit axe de basculement (X106).
  2. Le connecteur électrique (100) de la revendication 1, dans lequel ledit boitier (102) comprend une extrémité proximale (102b) opposée à ladite extrémité distale (102a), avec ledit élément basculant (106) possédant une partie d'actionnement (106a) apte à faire saillie depuis ladite extrémité proximale (102b) du boitier (102), ledit élément basculant (106) pouvant être basculé de ladite position rétractée à ladite position proéminente sous l'effet d'une force exercée sur ladite partie actionnement (106a).
  3. Le connecteur électrique (100) de l'une des revendications précédentes, dans lequel ledit boitier (102) comprend un élément de verrouillage (102c) pour verrouiller, de préférence par une action d'encliquetage, l'élément basculant (106) dans ladite position proéminente.
  4. Le connecteur électrique (100) de l'une des revendications précédentes, comprenant un élément de sollicitation, de préférence un ressort hélicoïdal (110) agissant autour dudit axe de basculement (X106), sollicitant ledit élément basculant (106) en direction de ladite position proéminente.
  5. Le connecteur électrique (100) de l'une des revendications précédentes, comprenant au moins l'une des caractéristiques parmi :
    - un élément en forme de bande (114) disposé et rétractable autour de ladite extrémité distale (102a) du boitier de connecteur (102), et/ou
    - une sculpture de surface (116) à la surface intérieure de l'extrémité distale (102a) du boitier de connecteur (102), et/ou
    - une matière adhésive (112) sur la surface intérieure de l'extrémité distale (102a) du boitier de connecteur (102) .
  6. Le connecteur électrique (100) de l'une des revendications précédentes, dans lequel ledit boitier (102) comprend une extrémité proximale (102b) opposée à ladite extrémité distale (102a) avec un capuchon d'extrémité (104) pour fermer de manière étanche ladite extrémité proximale (102b), ledit capuchon d'extrémité (104) comprenant de préférence un passage étanche (104a) pour au moins un câble électrique (C).
  7. Un dispositif d'éclairage (M, 100) comprenant :
    - un module d'éclairage allongé (M) possédant une partie d'extrémité (E), et
    - un connecteur électrique (100) selon l'une des revendications 1 à 6 ayant ladite extrémité distale (102a) couplée à ladite partie d'extrémité (E) dudit module d'éclairage (M), avec ledit élément basculant (106) dans ladite position proéminente et ledit au moins un contact électrique en forme de dent (108) ayant pénétré dans ladite partie d'extrémité (E) du module d'éclairage (M).
  8. Un procédé comprenant :
    - l'obtention d'un module d'éclairage allongé (M) présentant une partie d'extrémité (E),
    - l'obtention d'un connecteur électrique (100) selon l'une des revendications 1 à 6,
    - le couplage dudit connecteur électrique (100) audit module d'éclairage (M) par couplage de l'extrémité distale (102a) du boitier (102) du connecteur électrique (100) à ladite partie d'extrémité (E) du module d'éclairage (M) avec ledit élément basculant (106) dans ladite position rétractée, et
    - le basculement dudit élément basculant (106) vers ladite position ledit au moins un contact en forme de dent (108) pénétrant dans ladite partie d'extrémité (E) du module d'éclairage (M).
EP17197271.4A 2016-11-04 2017-10-19 Connecteur pour dispositifs d'éclairage, dispositif et procédé d'éclairage correspondants Not-in-force EP3318799B1 (fr)

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Application Number Priority Date Filing Date Title
IT201600111010 2016-11-04

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EP3318799A1 EP3318799A1 (fr) 2018-05-09
EP3318799B1 true EP3318799B1 (fr) 2019-06-19

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5104331A (en) * 1991-08-12 1992-04-14 Goble Robert H Damage resistant latching electrical connector
US6070996A (en) * 1998-08-21 2000-06-06 Mccollum; Robert W. Pivotable stanchion assembly
US6299469B1 (en) * 1999-04-22 2001-10-09 Visteon Global Technologies, Inc. Flexible circuit board splice clamp
JP4976579B1 (ja) * 2010-12-17 2012-07-18 アルプス電気株式会社 直管型ｌｅｄランプ用スイッチ装置及びそれを用いた直管型ｌｅｄランプ
SE537327C2 (sv) * 2012-02-01 2015-04-07 Strihl Scandinavia Ab Enkelt monterbar belysningsarmatur med anordning för inpassning

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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