Plural-beam growing-wave tube,申请号US19490106986-传众专利搜索

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发明名称	Plural-beam growing-wave tube
摘要
申请公布号	US2630547(A)	申请公布日期	1953.03.03
申请号	US19490106986	申请日期	1949.07.27
申请人	RADIO CORPORATION OF AMERICA	发明人	DODDS WELLESLEY J.
分类号	H01J25/48	主分类号	H01J25/48
代理机构		代理人
主权项
地址

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