Phase and frequency conversion system,申请号US19510212572-传众专利搜索

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发明名称	Phase and frequency conversion system
摘要
申请公布号	US2704820(A)	申请公布日期	1955.03.22
申请号	US19510212572	申请日期	1951.02.24
申请人	MARTIN WILLIAM H	发明人	MARTIN WILLIAM H.
分类号	H02M5/00	主分类号	H02M5/00
代理机构		代理人
主权项
地址

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