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Osa Participations Industrielles SA
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Osa Participations Industrielles SA
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Application filed by Osa Participations Industrielles SAfiledCriticalOsa Participations Industrielles SA
Application grantedgrantedCritical
Publication of FR51287EpublicationCriticalpatent/FR51287E/fr
F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR51287D1940-12-271940-12-27Lampe éclair en particulier pour la photographie
ExpiredFR51287E
(fr)