Load changeover switch for tapped transformers using a combination of contact movements,申请号US19510214280-传众专利搜索

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发明名称	Load changeover switch for tapped transformers using a combination of contact movements
摘要
申请公布号	US2680790(A)	申请公布日期	1954.06.08
申请号	US19510214280	申请日期	1951.03.07
申请人	BERNHARD JANSEN	发明人	JANSEN BERNHARD
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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