Airplane course indicating system,申请号US19440532181-传众专利搜索

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发明名称	Airplane course indicating system
摘要
申请公布号	US2439846(A)	申请公布日期	1948.04.20
申请号	US19440532181	申请日期	1944.04.21
申请人	GENERAL RAILWAY SIGNAL COMPANY	发明人	DICKE OSCAR H.
分类号	G01S1/02;G01S19/48	主分类号	G01S1/02
代理机构		代理人
主权项
地址

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