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ALFRED SAGE
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ALFRED SAGE
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Publication of FR6884EpublicationCriticalpatent/FR6884E/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V5/00—Refractors for light sources
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR6884A1906-10-201906-11-07Verre pour lampes à liquides combustibles, becs de gaz et lampes électriques à incandescence
ExpiredFR6884E
(fr)