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J JOLY ET A VERNAZ Ste
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J JOLY ET A VERNAZ Ste
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Publication of FR491966ApublicationCriticalpatent/FR491966A/fr
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
H01R33/945—Holders with built-in electrical component
H01R33/955—Holders with built-in electrical component with switch operated manually and independent of engagement or disengagement of coupling
FR491966D1918-09-201918-09-20Douille à clé pour lampe électrique
ExpiredFR491966A
(fr)