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ELECTRIC LIGHTING BOARDS LD SO
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ELECTRIC LIGHTING BOARDS LD SO
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Application filed by ELECTRIC LIGHTING BOARDS LD SOfiledCriticalELECTRIC LIGHTING BOARDS LD SO
Application grantedgrantedCritical
Publication of FR322375ApublicationCriticalpatent/FR322375A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
F21V21/002—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR322375D1902-06-211902-06-21Perfectionnements dans les supports pour lampes électriques à incandescence
ExpiredFR322375A
(fr)