Carrier frequency system,申请号US19390257259-传众专利搜索

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发明名称	Carrier frequency system
摘要
申请公布号	US2209273(A)	申请公布日期	1940.07.23
申请号	US19390257259	申请日期	1939.02.18
申请人	THE FAIREY AVIATION COMPANY LIMITED	发明人	HILLS JOHN LIONEL
分类号	H04B1/14;H04B1/50;H04B7/02;H04J1/20	主分类号	H04B1/14
代理机构		代理人
主权项
地址

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