PREVENTIVE MAINTENANCE SYSTEM OF LIGHTNING ARRESTER FOR AC-TO-DC CONVERTER,申请号JP19900205024-传众专利搜索

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发明名称	PREVENTIVE MAINTENANCE SYSTEM OF LIGHTNING ARRESTER FOR AC-TO-DC CONVERTER
摘要
申请公布号	JPH0493668(A)	申请公布日期	1992.03.26
申请号	JP19900205024	申请日期	1990.08.03
申请人	HITACHI LTD	发明人	OZAWA ATSUSHI;OISHI KAZUYA;SHINDO KATSUJI;SHIRAKAWA SHINGO
分类号	G01R31/00	主分类号	G01R31/00
代理机构		代理人
主权项
地址

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