Improvements in or relating to electron discharge valve amplifiers for ultra-short wave operation,申请号GB19380002087-传众专利搜索

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发明名称	Improvements in or relating to electron discharge valve amplifiers for ultra-short wave operation
摘要
申请公布号	GB509615(A)	申请公布日期	1939.07.19
申请号	GB19380002087	申请日期	1938.01.21
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED	发明人
分类号	H03F3/54	主分类号	H03F3/54
代理机构		代理人
主权项
地址

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