Safety switch operator,申请号US19390265477-传众专利搜索

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发明名称	Safety switch operator
摘要
申请公布号	US2194831(A)	申请公布日期	1940.03.26
申请号	US19390265477	申请日期	1939.04.01
申请人	MARSHALL EDWARD T	发明人	MARSHALL EDWARD T.
分类号	H01H31/00	主分类号	H01H31/00
代理机构		代理人
主权项
地址

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