On-load transformer tap changer,申请号US19590858461-传众专利搜索

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发明名称	On-load transformer tap changer
摘要
申请公布号	US3138671(A)	申请公布日期	1964.06.23
申请号	US19590858461	申请日期	1959.12.09
申请人	WILHELM LEPPER	发明人	LEPPER WILHELM
分类号	H01H9/00	主分类号	H01H9/00
代理机构		代理人
主权项
地址

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