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发明名称
Anordning og fremgangsmate for boring i berg
摘要
申请公布号
NO20035338(A)
申请公布日期
2005.06.02
申请号
NO20030005338
申请日期
2003.12.01
申请人
UNODRILL AS
发明人
RODLAND ARILD
分类号
E21B7/15;E21B10/60;(IPC1-7):E21B7/00;E21B10/02;E21B25/00
主分类号
E21B7/15
代理机构
代理人
主权项
地址
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