Improvements in or relating to aeroplanes,申请号GB19380007130-传众专利搜索

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发明名称	Improvements in or relating to aeroplanes
摘要
申请公布号	GB512619(A)	申请公布日期	1939.09.21
申请号	GB19380007130	申请日期	1938.03.07
申请人	ROGER ROBERT	发明人
分类号	B64C39/04	主分类号	B64C39/04
代理机构		代理人
主权项
地址

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