High efficiency traveling wave tubes,申请号US19580777954-传众专利搜索

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发明名称	High efficiency traveling wave tubes
摘要
申请公布号	US2964671(A)	申请公布日期	1960.12.13
申请号	US19580777954	申请日期	1958.12.03
申请人	RADIO CORPORATION OF AMERICA	发明人	CHANG KERN K. N.
分类号	H01J25/36	主分类号	H01J25/36
代理机构		代理人
主权项
地址

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