Improvements in thermionic valve amplifiers,申请号GB19320020847-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	GB404981(A)	申请公布日期	1934.01.23
申请号	GB19320020847	申请日期	1932.07.23
申请人	ALBERT HENRY MIDGLEY	发明人
分类号	H03F3/02	主分类号	H03F3/02
代理机构		代理人
主权项
地址

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