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H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
H01H3/20—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling
FR12580D1909-06-161910-05-07
Mechanical device for the progressive and successive control of two independent levers by a single drive lever
ExpiredFR12580E
(en)