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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
F21V7/04—Optical design
Landscapes
Engineering & Computer Science
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General Engineering & Computer Science
(AREA)
FR396806D1907-11-281908-11-27Réflecteur en forme d'abat-jour pour lampes
ExpiredFR396806A
(fr)