Improvements in electrical impedance relays,申请号GB19500013642-传众专利搜索

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发明名称	Improvements in electrical impedance relays
摘要
申请公布号	GB694785(A)	申请公布日期	1953.07.29
申请号	GB19500013642	申请日期	1950.05.31
申请人	METROPOLITAN-VICKERS ELECTRICAL COMPANY LIMITED	发明人	RYDER CLIFFORD
分类号	H01H53/015;H02H3/40	主分类号	H01H53/015
代理机构		代理人
主权项
地址

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