Electric amplifier with automatic gain control,申请号US19510230203-传众专利搜索

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发明名称	Electric amplifier with automatic gain control
摘要
申请公布号	US2647176(A)	申请公布日期	1953.07.28
申请号	US19510230203	申请日期	1951.06.06
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	DALY CHARLES TREVOR
分类号	H03F1/54;H04B1/74	主分类号	H03F1/54
代理机构		代理人
主权项
地址

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