Circuit protective variable ratio transformer system,申请号US19530351661-传众专利搜索

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发明名称	Circuit protective variable ratio transformer system
摘要
申请公布号	US2905864(A)	申请公布日期	1959.09.22
申请号	US19530351661	申请日期	1953.04.23
申请人	ALEX SHERMAN;ARNOLD SHERMAN	发明人	SHERMAN ALEX;SHERMAN ARNOLD
分类号	H02H3/20	主分类号	H02H3/20
代理机构		代理人
主权项
地址

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