Ikke-rotert innretning til bruk ved knusende fragmentering av uönskede avleiringer fra innerveggen av diametervariable rör, som strekker seg ned i en oljebrönn under produksjon,申请号NO19970001500-传众专利搜索

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发明名称	Ikke-rotert innretning til bruk ved knusende fragmentering av uönskede avleiringer fra innerveggen av diametervariable rör, som strekker seg ned i en oljebrönn under produksjon
摘要
申请公布号	NO971500(D0)	申请公布日期	1997.04.03
申请号	NO19970001500	申请日期	1997.04.03
申请人	SUBSURFACE TECHNOLOGY AS	发明人	KAPSTAD, BJARNE;HYSTAD, HARALD;OFTEDAL, TERJE;VIKANE, TRYGVE
分类号	E21B	主分类号	E21B
代理机构		代理人
主权项
地址

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