Means for producing magnification with a four electrode valve and circuits therefor,申请号US19250071492-传众专利搜索

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发明名称	Means for producing magnification with a four electrode valve and circuits therefor
摘要
申请公布号	US1861231(A)	申请公布日期	1932.05.31
申请号	US19250071492	申请日期	1925.11.25
申请人	RADIO CORPORATION OF AMERICA	发明人	GILL ERNEST WALTER BRUDENELL
分类号	H03F3/02	主分类号	H03F3/02
代理机构		代理人
主权项
地址

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