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发明名称
Anordning og femgangsmate for fjerning av avleiring i en borehullsinstallasjon
摘要
申请公布号
NO20081279(A)
申请公布日期
2009.09.14
申请号
NO20080001279
申请日期
2008.03.11
申请人
QSST AS
发明人
JONASSENS DODSBO JARLE
分类号
E21B37/02;B08B9/04;B08B9/047;B08B9/055;F16L55/38
主分类号
E21B37/02
代理机构
代理人
主权项
地址
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