Improvements in or relating to electron discharge devices,申请号GB19510000868-传众专利搜索

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发明名称	Improvements in or relating to electron discharge devices
摘要
申请公布号	GB717826(A)	申请公布日期	1954.11.03
申请号	GB19510000868	申请日期	1951.01.11
申请人	NATIONAL RESEARCH DEVELOPMENT CORPORATION	发明人	THONEMANN PETER CLIVE
分类号	H01J25/16;H01J25/34	主分类号	H01J25/16
代理机构		代理人
主权项
地址

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