Short wave radio frequency amplifier system,申请号US19340726634-传众专利搜索

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发明名称	Short wave radio frequency amplifier system
摘要
申请公布号	US2122558(A)	申请公布日期	1938.07.05
申请号	US19340726634	申请日期	1934.05.21
申请人	RADIO CORPORATION OF AMERICA	发明人	CLAY MURRAY G.
分类号	H03F1/08	主分类号	H03F1/08
代理机构		代理人
主权项
地址

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