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发明名称
Liikuteltava kairauskoneisto, jossa on automaattinen kairaputken käsittely
摘要
申请公布号
FI20135450(A)
申请公布日期
2014.10.31
申请号
FI20130005450
申请日期
2013.04.30
申请人
Arctic Drilling Company Oy Ltd
发明人
Sieppi, Vesa;Säärelä, Juha;Kämäräinen, Timo
分类号
E21B19/20;E21B44/02
主分类号
E21B19/20
代理机构
代理人
主权项
地址
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