Direct current or low frequency transistor amplifiers having a high input impedance,申请号US19610092826-传众专利搜索

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发明名称	Direct current or low frequency transistor amplifiers having a high input impedance
摘要
申请公布号	US3146404(A)	申请公布日期	1964.08.25
申请号	US19610092826	申请日期	1961.03.02
申请人	NATIONAL RESEARCH DEVELOPMENT CORPORATION	发明人	RALPHS JOHN DENNIS
分类号	H03F1/30	主分类号	H03F1/30
代理机构		代理人
主权项
地址

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