Electron tube frequency multiplier of the traveling wave type,申请号US19560616859-传众专利搜索

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发明名称	Electron tube frequency multiplier of the traveling wave type
摘要
申请公布号	US2981889(A)	申请公布日期	1961.04.25
申请号	US19560616859	申请日期	1956.10.18
申请人	GENERAL ELECTRIC COMPANY	发明人	WEBBER STANLEY E.
分类号	H01J25/38;H03B19/10	主分类号	H01J25/38
代理机构		代理人
主权项
地址

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