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H01H50/18—Movable parts of magnetic circuits, e.g. armature
H01H50/32—Latching movable parts mechanically
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FR734598D1932-04-041932-04-04Dispositif pour ouvrir et fermer automatiquement un circuit électrique, en dépendance d'un organe étranger à ce circuit
ExpiredFR734598A
(fr)