Directional antenna system,申请号US19410384525-传众专利搜索

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发明名称	Directional antenna system
摘要
申请公布号	US2339234(A)	申请公布日期	1944.01.11
申请号	US19410384525	申请日期	1941.03.21
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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