Improvements in or relating to electron discharge devices of the electron velocity modulation type,申请号GB19440001229-传众专利搜索

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发明名称	Improvements in or relating to electron discharge devices of the electron velocity modulation type
摘要
申请公布号	GB587619(A)	申请公布日期	1947.05.01
申请号	GB19440001229	申请日期	1944.01.21
申请人	STANDARD TELEPHONES AND CABLES LIMITED;STANLEY GORDON TOMLIN	发明人
分类号	H01J25/08	主分类号	H01J25/08
代理机构		代理人
主权项
地址

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