Anordning og fremgangsmåte ved sammenkopling av foringsrör, produksjonsrör og lignende for forlengelse i en oljebrönn eller lignende,申请号NO19990003794-传众专利搜索

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发明名称	Anordning og fremgangsmåte ved sammenkopling av foringsrör, produksjonsrör og lignende for forlengelse i en oljebrönn eller lignende
摘要
申请公布号	NO993794(D0)	申请公布日期	1999.08.06
申请号	NO19990003794	申请日期	1999.08.06
申请人	REVHEIM, SVEN;REVHEIM, OLAV	发明人	REVHEIM, SVEN;REVHEIM, OLAV
分类号	E21B;E21B17/02;E21B29/00;E21B43/10;(IPC1-7):E21B	主分类号	E21B
代理机构		代理人
主权项
地址

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