Device for controlling electric circuits,申请号US19370160367-传众专利搜索

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发明名称	Device for controlling electric circuits
摘要
申请公布号	US2268494(A)	申请公布日期	1941.12.30
申请号	US19370160367	申请日期	1937.08.23
申请人	WELCOME ARTHUR W	发明人	WELCOME ARTHUR W.
分类号	G07F15/08	主分类号	G07F15/08
代理机构		代理人
主权项
地址

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