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发明名称
Apparat og fremgangsmate for overforing av torr borekaks fra olje og gassbronner
摘要
申请公布号
NO326351(B1)
申请公布日期
2008.11.17
申请号
NO20030002400
申请日期
2003.05.27
申请人
BAKER HUGHES INC
发明人
REDDOCH JEFFREY
分类号
E21B21/06;E21B41/00
主分类号
E21B21/06
代理机构
代理人
主权项
地址
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