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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
F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Non-Portable Lighting Devices Or Systems Thereof
(AREA)
Dispositif ballast pour lampes a decharge en atmosphere gazeuse et unite d'eclairage comprenant un tel dispositif et au moins une lampe a decharge en atmosphere gazeuse a haute pression
Dispositif d'assemblage d'au moins deux branches d'un appareil d'eclairage tel notamment lustre ou plafonnier a leur coupole et appareil d'eclairage le comprenant