Improvements in the construction and arrangement of electrodes in electron discharge devices,申请号GB19420006544-传众专利搜索

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发明名称	Improvements in the construction and arrangement of electrodes in electron discharge devices
摘要
申请公布号	GB556188(A)	申请公布日期	1943.09.23
申请号	GB19420006544	申请日期	1942.05.14
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H01J19/38;H04H20/77	主分类号	H01J19/38
代理机构		代理人
主权项
地址

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