Radio navigation system,申请号US19430509666-传众专利搜索

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法人/股东/高管

发明名称	Radio navigation system
摘要
申请公布号	US2444445(A)	申请公布日期	1948.07.06
申请号	US19430509666	申请日期	1943.11.10
申请人	THE SPERRY CORPORATION	发明人	ISBISTER ERIC J.
分类号	G01S1/24	主分类号	G01S1/24
代理机构		代理人
主权项
地址

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