Rotor d'hélicoptère,申请号FRD929021-传众专利搜索

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发明名称	Rotor d'hélicoptère
摘要
申请公布号	FR929021(A)	申请公布日期	1947.12.15
申请号	FRD929021	申请日期	1946.06.14
申请人	THE FAIREY AVIATION COMPANY LIMITED	发明人
分类号	B64C27/16	主分类号	B64C27/16
代理机构		代理人
主权项
地址

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