Gain control circuit,申请号US19370157500-传众专利搜索

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发明名称	Gain control circuit
摘要
申请公布号	US2133429(A)	申请公布日期	1938.10.18
申请号	US19370157500	申请日期	1937.08.05
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	COX LESLIE R.;TERRY DONALD M.
分类号	H04B3/10	主分类号	H04B3/10
代理机构		代理人
主权项
地址

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