Relay,申请号US19470743981-传众专利搜索

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发明名称	Relay
摘要
申请公布号	US2556716(A)	申请公布日期	1951.06.12
申请号	US19470743981	申请日期	1947.04.25
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	VIOL WALTER E.
分类号	H01H51/06	主分类号	H01H51/06
代理机构		代理人
主权项
地址

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