Perfectionnement aux hélices à pas variable à commande hydraulique,申请号FRD1182434-传众专利搜索

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发明名称	Perfectionnement aux hélices à pas variable à commande hydraulique
摘要
申请公布号	FR1182434(A)	申请公布日期	1959.06.25
申请号	FRD1182434	申请日期	1957.08.10
申请人	ROTOL LIMITED	发明人
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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