Improvements relating to model aeroplanes and gliders,申请号GB19380011012-传众专利搜索

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发明名称	Improvements relating to model aeroplanes and gliders
摘要
申请公布号	GB513534(A)	申请公布日期	1939.10.16
申请号	GB19380011012	申请日期	1938.04.11
申请人	PERCY WILLIAM MATTHEWS	发明人
分类号	A63H27/00;A63H27/22;A63H29/18	主分类号	A63H27/00
代理机构		代理人
主权项
地址

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