Improvements in thermionic valve amplifiers,申请号GB19460025833-传众专利搜索

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发明名称	Improvements in thermionic valve amplifiers
摘要
申请公布号	GB622238(A)	申请公布日期	1949.04.28
申请号	GB19460025833	申请日期	1946.08.28
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED;THOMAS HERBERT MACKENZIE	发明人
分类号	H03F1/36;H03F1/54	主分类号	H03F1/36
代理机构		代理人
主权项
地址

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