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经营范围
发明名称
CASING BOTTOM HOLE ASSEMBLY RETRIEVAL PROCESS
摘要
申请公布号
EP1915506(A1)
申请公布日期
2008.04.30
申请号
EP20060775057
申请日期
2006.08.02
申请人
TESCO CORPORATION
发明人
ANGMAN, PER G.;TESSARI, ROBERT M.;WARREN, TOMMY M.
分类号
E21B23/08;E21B19/02;E21B23/14
主分类号
E21B23/08
代理机构
代理人
主权项
地址
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