Directive antenna system,申请号US19440568248-传众专利搜索

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发明名称	Directive antenna system
摘要
申请公布号	US2458885(A)	申请公布日期	1949.01.11
申请号	US19440568248	申请日期	1944.12.15
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	WARREN CLIFFORD A.
分类号	H01Q3/26;H01Q21/29	主分类号	H01Q3/26
代理机构		代理人
主权项
地址

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