Improvements in and relating to thermionic amplifiers,申请号GB19380019524-传众专利搜索

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发明名称	Improvements in and relating to thermionic amplifiers
摘要
申请公布号	GB520073(A)	申请公布日期	1940.04.15
申请号	GB19380019524	申请日期	1938.07.01
申请人	CECIL ALFRED LAWS;HAROLD KILNER ROBIN	发明人
分类号	H03G3/22	主分类号	H03G3/22
代理机构		代理人
主权项
地址

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