Selective null transmission circuit,申请号US19420441206-传众专利搜索

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发明名称	Selective null transmission circuit
摘要
申请公布号	US2372419(A)	申请公布日期	1945.03.27
申请号	US19420441206	申请日期	1942.04.30
申请人	RADIO CORPORATION OF AMERICA	发明人	FORD JOHN R.;BRUMBAUGH JOHN M.
分类号	H03H11/12	主分类号	H03H11/12
代理机构		代理人
主权项
地址

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