BAND-SPREAD TUNING CIRCUIT FOR RADIO RECEIVERS,申请号CAD439221-传众专利搜索

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发明名称	BAND-SPREAD TUNING CIRCUIT FOR RADIO RECEIVERS
摘要
申请公布号	CA439221(A)	申请公布日期	1947.01.14
申请号	CAD439221	申请日期
申请人	RADIO CORPORATION OF AMERICA	发明人	FRANK CAPLIN;CHARLES EDWARD PAYNE
分类号		主分类号
代理机构		代理人
主权项
地址

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