Relay,申请号US19440555776-传众专利搜索

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发明名称	Relay
摘要
申请公布号	US2412968(A)	申请公布日期	1946.12.24
申请号	US19440555776	申请日期	1944.09.26
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	COX FRANCIS 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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