GROUND FAULT DIRECTION RELAY,申请号JP19770147118-传众专利搜索

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发明名称	GROUND FAULT DIRECTION RELAY
摘要
申请公布号	JPS5480529(A)	申请公布日期	1979.06.27
申请号	JP19770147118	申请日期	1977.12.09
申请人	HITACHI LTD	发明人	NOHARA GOUO
分类号	H02H3/38	主分类号	H02H3/38
代理机构		代理人
主权项
地址

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