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INTERNATIONALE DE LUMIERE FROIDE PROCEDES Ste
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INTERNATIONALE DE LUMIERE FROIDE PROCEDES Ste
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Application filed by INTERNATIONALE DE LUMIERE FROIDE PROCEDES StefiledCriticalINTERNATIONALE DE LUMIERE FROIDE PROCEDES Ste
Application grantedgrantedCritical
Publication of FR464465ApublicationCriticalpatent/FR464465A/en
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V19/00—Fastening of light sources or lamp holders
F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR464465D1913-01-131913-01-13
Incandescent electric lamp mounting device
ExpiredFR464465A
(en)