Dual feed antenna,申请号US19570647457-传众专利搜索

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发明名称	Dual feed antenna
摘要
申请公布号	US2982961(A)	申请公布日期	1961.05.02
申请号	US19570647457	申请日期	1957.03.20
申请人	JONES CALVIN C	发明人	JONES CALVIN C.
分类号	H01Q5/00;H01Q21/28;H01Q25/00	主分类号	H01Q5/00
代理机构		代理人
主权项
地址

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