Quasi-impedance relay system,申请号US19470788910-传众专利搜索

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发明名称	Quasi-impedance relay system
摘要
申请公布号	US2504828(A)	申请公布日期	1950.04.18
申请号	US19470788910	申请日期	1947.11.29
申请人	WESTINGHOUSE ELECTRIC CORPORATION	发明人	GOLDSBOROUGH SHIRLEY L.
分类号	H02H3/30	主分类号	H02H3/30
代理机构		代理人
主权项
地址

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