Multifrequency tunable antenna,申请号US19490101765-传众专利搜索

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发明名称	Multifrequency tunable antenna
摘要
申请公布号	US2558487(A)	申请公布日期	1951.06.26
申请号	US19490101765	申请日期	1949.06.28
申请人	JOSEPH N. MARKS;JULIUS TUNKL;E. LICHTENSTEIN	发明人	HILLS ELMER GUY
分类号	H01Q9/14	主分类号	H01Q9/14
代理机构		代理人
主权项
地址

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