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Publication of FR840013ApublicationCriticalpatent/FR840013A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
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FR840013D1937-12-171937-12-17Perfectionnement aux abat-jour
ExpiredFR840013A
(fr)