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PHONIX MASCHINENFABRIK GmbH
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PHONIX MASCHINENFABRIK GmbH
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Filing date
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Application filed by PHONIX MASCHINENFABRIK GmbHfiledCriticalPHONIX MASCHINENFABRIK GmbH
Application grantedgrantedCritical
Publication of FR628509ApublicationCriticalpatent/FR628509A/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
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR628509D1925-12-311926-12-17Procédé pour la production de la lumière diffuse
ExpiredFR628509A
(fr)