Ground trainer for aircraft flight personnel,申请号US19460676603-传众专利搜索

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发明名称	Ground trainer for aircraft flight personnel
摘要
申请公布号	US2516803(A)	申请公布日期	1950.07.25
申请号	US19460676603	申请日期	1946.06.14
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	RIPPERE ROBERT O.
分类号	G09B9/16	主分类号	G09B9/16
代理机构		代理人
主权项
地址

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