FR540344A - Perfectionnements dans la construction des commutateurs électriques, notamment des commutateurs à déclanchement automatique employés en téléphonie
- Google Patents
Perfectionnements dans la construction des commutateurs électriques, notamment des commutateurs à déclanchement automatique employés en téléphonie
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D INSTR DE PREC ET DYNAMO PHAR
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D INSTR DE PREC ET DYNAMO PHAR
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H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
H01H13/02—Details
H01H13/12—Movable parts; Contacts mounted thereon
H01H13/14—Operating parts, e.g. push-button
FR540344D1921-01-111921-01-11Perfectionnements dans la construction des commutateurs électriques, notamment des commutateurs à déclanchement automatique employés en téléphonie
ExpiredFR540344A
(fr)