ELECTROMAGNETICAL PROTECTIVE RELAY FOR THREE-PHASE RECEIVERS,申请号USD3431518-传众专利搜索

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发明名称	ELECTROMAGNETICAL PROTECTIVE RELAY FOR THREE-PHASE RECEIVERS
摘要
申请公布号	US3431518(A)	申请公布日期	1969.03.04
申请号	USD3431518	申请日期	1967.02.02
申请人	EGON HOPPE	发明人	EGON HOPPE
分类号	H01H51/30;H01H71/34;(IPC1-7):H01H51/00	主分类号	H01H51/30
代理机构		代理人
主权项
地址

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