Improvements in and relating to audio frequency amplifiers,申请号GB19500007170-传众专利搜索

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发明名称	Improvements in and relating to audio frequency amplifiers
摘要
申请公布号	GB676828(A)	申请公布日期	1952.08.06
申请号	GB19500007170	申请日期	1950.03.22
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED	发明人
分类号	H03F3/189	主分类号	H03F3/189
代理机构		代理人
主权项
地址

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