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Publication of FR782828ApublicationCriticalpatent/FR782828A/fr
B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
B66B5/08—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding
B66B5/10—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding electrical
FR782828D1933-12-221934-12-18Système et appareillage de contrôle des mouvements des cages dans les puits de mine
ExpiredFR782828A
(fr)