Contact spring groups for electromagnetic connecting devices for obtaining a variation of the chronological order for the contact functions of the group,申请号US19530397745-传众专利搜索

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发明名称	Contact spring groups for electromagnetic connecting devices for obtaining a variation of the chronological order for the contact functions of the group
摘要
申请公布号	US2779843(A)	申请公布日期	1957.01.29
申请号	US19530397745	申请日期	1953.12.11
申请人	TELEFONAKTIEBOLAGET L M ERICSSON	发明人	WIBERG ERIC AXEL
分类号	H01H50/58	主分类号	H01H50/58
代理机构		代理人
主权项
地址

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