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Priority to JP1986057855UpriorityCriticalpatent/JPS62169444U/ja
Priority to KR2019870003143Uprioritypatent/KR900002527Y1/ko
Publication of JPS62169444UpublicationCriticalpatent/JPS62169444U/ja
H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position