Magnetic frequency converter,申请号US19420438875-传众专利搜索

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发明名称	Magnetic frequency converter
摘要
申请公布号	US2370720(A)	申请公布日期	1945.03.06
申请号	US19420438875	申请日期	1942.04.14
申请人	RADIO CORPORATION OF AMERICA	发明人	DONLEY HUGH L.
分类号	H03D7/00	主分类号	H03D7/00
代理机构		代理人
主权项
地址

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