Improvements in and relating to directive antenna systems,申请号GB19460009894-传众专利搜索

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发明名称	Improvements in and relating to directive antenna systems
摘要
申请公布号	GB611248(A)	申请公布日期	1948.10.27
申请号	GB19460009894	申请日期	1946.03.29
申请人	SPERRY GYROSCOPE COMPANY, INC.	发明人
分类号	H01Q3/08;H01Q19/22;H01Q25/00	主分类号	H01Q3/08
代理机构		代理人
主权项
地址

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