Directive radio system,申请号US19360100287-传众专利搜索

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发明名称	Directive radio system
摘要
申请公布号	US2169553(A)	申请公布日期	1939.08.15
申请号	US19360100287	申请日期	1936.09.11
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	BRUCE EDMOND
分类号	H01Q19/10	主分类号	H01Q19/10
代理机构		代理人
主权项
地址

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