Improvements in or relating to travelling wave tubes,申请号GB19520010784-传众专利搜索

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发明名称	Improvements in or relating to travelling wave tubes
摘要
申请公布号	GB707123(A)	申请公布日期	1954.04.14
申请号	GB19520010784	申请日期	1952.04.29
申请人	ENGLISH ELECTRIC VALVE COMPANY LIMITED	发明人	COULSON ROBERT BERNARD
分类号	H01J23/26	主分类号	H01J23/26
代理机构		代理人
主权项
地址

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