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Publication of FR785738ApublicationCriticalpatent/FR785738A/fr
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
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FR785738D1935-02-161935-02-16Réflecteur pour éclairage semi-indirect
ExpiredFR785738A
(fr)