Traveling wave tube slow wave structure having bi-filar helices,申请号US19610119774-传众专利搜索

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发明名称	Traveling wave tube slow wave structure having bi-filar helices
摘要
申请公布号	US3193720(A)	申请公布日期	1965.07.06
申请号	US19610119774	申请日期	1961.06.23
申请人	VACCARO FRANK E	发明人	VACCARO FRANK E.
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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