Variable pitch airscrews,申请号US19550535071-传众专利搜索

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发明名称	Variable pitch airscrews
摘要
申请公布号	US2903075(A)	申请公布日期	1959.09.08
申请号	US19550535071	申请日期	1955.09.19
申请人	ROTOL LIMITED	发明人	GODDEN THOMAS EDWARD;MORRIS EDWARD HOLLINGWORTH
分类号	B64C11/38	主分类号	B64C11/38
代理机构		代理人
主权项
地址

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