Improvements in and relating to apparatus for use in teaching and training aviators or as an amusement device,申请号GB19410005309-传众专利搜索

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发明名称	Improvements in and relating to apparatus for use in teaching and training aviators or as an amusement device
摘要
申请公布号	GB549146(A)	申请公布日期	1942.11.09
申请号	GB19410005309	申请日期	1941.04.24
申请人	ERIC ST. JOHN	发明人
分类号	G09B9/30	主分类号	G09B9/30
代理机构		代理人
主权项
地址

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