Aircraft propellers for combined airplane-helicopter flying machines,申请号US19580732386-传众专利搜索

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发明名称	Aircraft propellers for combined airplane-helicopter flying machines
摘要
申请公布号	US2978039(A)	申请公布日期	1961.04.04
申请号	US19580732386	申请日期	1958.05.01
申请人	JOHANN FOCKE HENRICH CARL	发明人	FOCKE HENRICH CARL JOHANN
分类号	B64C11/04;B64C27/46	主分类号	B64C11/04
代理机构		代理人
主权项
地址

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