Directional antenna system,申请号US19430490941-传众专利搜索

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发明名称	Directional antenna system
摘要
申请公布号	US2399382(A)	申请公布日期	1946.04.30
申请号	US19430490941	申请日期	1943.06.14
申请人	POLYDOROFF WLADIMIR J	发明人	POLYDOROFF WLADIMIR J.
分类号	H01Q7/06	主分类号	H01Q7/06
代理机构		代理人
主权项
地址

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