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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
F21V7/0008—Reflectors for light sources providing for indirect lighting
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
F21V7/09—Optical design with a combination of different curvatures
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Engineering & Computer Science
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General Engineering & Computer Science
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FR5597D1903-10-311905-03-06Système d'éclairage en lumière diffuse
ExpiredFR5597E
(fr)