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Publication of FR739267ApublicationCriticalpatent/FR739267A/fr
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
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Engineering & Computer Science
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General Engineering & Computer Science
(AREA)
FR739267D1932-05-141932-06-29Dispositif d'éclairage en deux ou plusieurs pièces
ExpiredFR739267A
(fr)