Improvements in or relating to intermediate frequency thermionic amplifiers,申请号GB19350011376-传众专利搜索

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发明名称	Improvements in or relating to intermediate frequency thermionic amplifiers
摘要
申请公布号	GB433273(A)	申请公布日期	1935.08.12
申请号	GB19350011376	申请日期	1935.04.12
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H03H7/01	主分类号	H03H7/01
代理机构		代理人
主权项
地址

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