Improvements in or relating to thermionic valve circuits,申请号GB19610021954-传众专利搜索

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发明名称	Improvements in or relating to thermionic valve circuits
摘要
申请公布号	GB919942(A)	申请公布日期	1963.02.27
申请号	GB19610021954	申请日期	1961.06.17
申请人	AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED	发明人	HUTCHINGS LEONARD HENRY
分类号	H03F3/44	主分类号	H03F3/44
代理机构		代理人
主权项
地址

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