Improvements in or relating to travelling-wave tubes with helical delay lines,申请号GB19640026037-传众专利搜索

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发明名称	Improvements in or relating to travelling-wave tubes with helical delay lines
摘要
申请公布号	GB1020126(A)	申请公布日期	1966.02.16
申请号	GB19640026037	申请日期	1964.06.24
申请人	SIEMENS & HALSKE AKTIENGESELLSCHAFT	发明人
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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