Improvements in or relating to rotative wing aircraft,申请号GB19330023645-传众专利搜索

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发明名称	Improvements in or relating to rotative wing aircraft
摘要
申请公布号	GB418698(A)	申请公布日期	1934.10.30
申请号	GB19330023645	申请日期	1933.08.25
申请人	AUDREY GRETCHEN COATS	发明人
分类号	B64C27/54	主分类号	B64C27/54
代理机构		代理人
主权项
地址

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