Apparatus for comparing the rates of operation of two contact devices,申请号US19440549431-传众专利搜索

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发明名称	Apparatus for comparing the rates of operation of two contact devices
摘要
申请公布号	US2530214(A)	申请公布日期	1950.11.14
申请号	US19440549431	申请日期	1944.08.14
申请人	WATFORD ELECTRIC & MANUFACTURING COMPANY LIMITED	发明人	VUILLE BERNARD ANDRE
分类号	H02J3/14	主分类号	H02J3/14
代理机构		代理人
主权项
地址

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