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发明名称
Anordning og fremgangsmåter vedrörende brönnoperasjoner
摘要
申请公布号
NO20021279(A)
申请公布日期
2002.04.29
申请号
NO20020001279
申请日期
2002.03.14
申请人
MACHINES (UK) LTD
发明人
ENDE, ANDRE MARTIN VAN DER;COPE, JOHN
分类号
E21B47/12;(IPC1-7):E21B
主分类号
E21B47/12
代理机构
代理人
主权项
地址
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