Counting-relay selector and switching system,申请号US19470749626-传众专利搜索

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发明名称	Counting-relay selector and switching system
摘要
申请公布号	US2542079(A)	申请公布日期	1951.02.20
申请号	US19470749626	申请日期	1947.05.22
申请人	VITALIS GRUNDIN IVAN;VALFRID ERLANDSSON ERIK GUNNAR	发明人	GRUNDIN IVAN VITALIS;ERLANDSSON ERIK GUNNAR VALFRID
分类号	H01H67/24;H04Q3/00	主分类号	H01H67/24
代理机构		代理人
主权项
地址

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