Perfectionnements aux hélicoptères,申请号FRD674823-传众专利搜索

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发明名称	Perfectionnements aux hélicoptères
摘要
申请公布号	FR674823(A)	申请公布日期	1930.02.03
申请号	FRD674823	申请日期	1929.05.10
申请人		发明人	NUNWICK ARTHUR CECIL;IAGO ARTHUR FRANK;HUNTER KENNETH MELVILLE
分类号	A63H27/127;A63H29/18	主分类号	A63H27/127
代理机构		代理人
主权项
地址

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