Traveling wave electron discharge devices,申请号US19530387968-传众专利搜索

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发明名称	Traveling wave electron discharge devices
摘要
申请公布号	US2844797(A)	申请公布日期	1958.07.22
申请号	US19530387968	申请日期	1953.10.23
申请人	RAYTHEON MANUFACTURING COMPANY	发明人	DENCH EDWARD C.
分类号	H01J25/46	主分类号	H01J25/46
代理机构		代理人
主权项
地址

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