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Publication of FR841862ApublicationCriticalpatent/FR841862A/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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FR841862D1938-02-011938-02-01Réflecteur pour éclairage indirect
ExpiredFR841862A
(fr)