Electrical circuit controlling device,申请号US19370161956-传众专利搜索

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发明名称	Electrical circuit controlling device
摘要
申请公布号	US2233532(A)	申请公布日期	1941.03.04
申请号	US19370161956	申请日期	1937.09.01
申请人	SIGNAL ENGINEERING & MANUFACTURING COMPANY	发明人	HUMPHREYS FERDINAND F.;TERJESEN TELLEF A.
分类号	H01H50/34	主分类号	H01H50/34
代理机构		代理人
主权项
地址

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