BORESTABILISATOR.,申请号NO19790000431-传众专利搜索

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发明名称	BORESTABILISATOR.
摘要
申请公布号	NO790431(A)	申请公布日期	1979.08.14
申请号	NO19790000431	申请日期	1979.02.09
申请人	INSTITUT FRANCAIS DU PETROLE,	发明人	CHOLET, HENRI,;BOULET, JEAN,
分类号	E21B10/18;E21B17/10;E21B21/00;(IPC1-7):E21B/	主分类号	E21B10/18
代理机构		代理人
主权项
地址

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