Magnetic switching device,申请号US19490079538-传众专利搜索

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发明名称	Magnetic switching device
摘要
申请公布号	US2548581(A)	申请公布日期	1951.04.10
申请号	US19490079538	申请日期	1949.03.04
申请人	GENERAL ELECTRIC COMPANY	发明人	BIGELOW JOHN E.
分类号	H01H36/00	主分类号	H01H36/00
代理机构		代理人
主权项
地址

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