Electrical relay device responsive to small changes of a magnitude such as current or voltage,申请号GB19380009418-传众专利搜索

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发明名称	Electrical relay device responsive to small changes of a magnitude such as current or voltage
摘要
申请公布号	GB513066(A)	申请公布日期	1939.10.03
申请号	GB19380009418	申请日期	1938.03.28
申请人	THE ENGLISH ELECTRIC COMPANY LIMITED;GEORGE TILSTONE	发明人
分类号	H01H53/10	主分类号	H01H53/10
代理机构		代理人
主权项
地址

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