Local battery party-line lockout system,申请号US19470765746-传众专利搜索

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发明名称	Local battery party-line lockout system
摘要
申请公布号	US2543062(A)	申请公布日期	1951.02.27
申请号	US19470765746	申请日期	1947.08.02
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	RINGKJOB RAGNAR ERLING TUXEN;POULIART WILLY
分类号	H04Q5/02	主分类号	H04Q5/02
代理机构		代理人
主权项
地址

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