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Publication of FR643498ApublicationCriticalpatent/FR643498A/fr
H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
H01H71/10—Operating or release mechanisms
H01H71/50—Manual reset mechanisms which may be also used for manual release
FR643498D1927-04-051927-04-05Dispositif disjoncteur à déclanchement libre et à ouverture automatique pour réseau de distribution d'électricité
ExpiredFR643498A
(fr)