Improvements in or relating to feedback amplifiers,申请号GB19520021561-传众专利搜索

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发明名称	Improvements in or relating to feedback amplifiers
摘要
申请公布号	GB729827(A)	申请公布日期	1955.05.11
申请号	GB19520021561	申请日期	1952.08.27
申请人	BRITISH TELECOMMUNICATIONS RESEARCH LIMITED	发明人	LAWTON JOHN
分类号	H03F1/36	主分类号	H03F1/36
代理机构		代理人
主权项
地址

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