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发明名称
FREMGANGSMAATE OG ANORDNING FOR UTFOERELSE AV VAIEROPERASJONER I ET BOREHULL.
摘要
申请公布号
NO840043(A)
申请公布日期
1984.07.25
申请号
NO19840000043
申请日期
1984.01.06
申请人
SCHLUMBERGER LTD,
发明人
WALULIK, JAMES J.,;LANMON, C.P., II,
分类号
E21B17/00;E21B23/08;E21B23/14;E21B43/119;(IPC1-7):E21B/
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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