Polyphase alternating current system,申请号US19550539582-传众专利搜索

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发明名称	Polyphase alternating current system
摘要
申请公布号	US2793302(A)	申请公布日期	1957.05.21
申请号	US19550539582	申请日期	1955.10.10
申请人	ROTOL LIMITED	发明人	CHILMAN JOHN ALFRED;MAPP ALFRED GEORGE;CRIPPS JOHN
分类号	H02J3/42	主分类号	H02J3/42
代理机构		代理人
主权项
地址

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