Improvements in or relating to m-type electron tubes,申请号GB19620017278-传众专利搜索

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发明名称	Improvements in or relating to m-type electron tubes
摘要
申请公布号	GB945215(A)	申请公布日期	1963.12.23
申请号	GB19620017278	申请日期	1962.05.04
申请人	CSF-COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	H01J23/00;H01J25/42	主分类号	H01J23/00
代理机构		代理人
主权项
地址

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