Receiving apparatus for radiofrequency navigation systems,申请号US19450612997-传众专利搜索

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发明名称	Receiving apparatus for radiofrequency navigation systems
摘要
申请公布号	US2530902(A)	申请公布日期	1950.11.21
申请号	US19450612997	申请日期	1945.08.27
申请人	THE DECCA RECORD COMPANY, LIMITED	发明人	O'BRIEN WILLIAM J.
分类号	G01S1/30	主分类号	G01S1/30
代理机构		代理人
主权项
地址

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