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B R C SA Des Ets
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B R C SA Des Ets
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Publication of FR572670ApublicationCriticalpatent/FR572670A/en
H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
H01R33/05—Two-pole devices
H01R33/46—Two-pole devices for bayonet type base
FR572670D1923-11-051923-11-05
Development of bayonet sockets for incandescent electric lamps
ExpiredFR572670A
(en)