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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
F21V3/00—Globes; Bowls; Cover glasses
F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
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FR35583D1928-06-181928-06-18Appareil d'éclairage avec globe diffusant
ExpiredFR35583E
(fr)