Improvements relating to negative feedback amplifiers,申请号GB19460035893-传众专利搜索

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发明名称	Improvements relating to negative feedback amplifiers
摘要
申请公布号	GB629898(A)	申请公布日期	1949.09.30
申请号	GB19460035893	申请日期	1946.12.04
申请人	ERIC WILLIAM BULL	发明人
分类号	H03F1/36;H03K4/43	主分类号	H03F1/36
代理机构		代理人
主权项
地址

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