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发明名称
Fjernstyring for et plugg-senkehode
摘要
申请公布号
NO972837(A)
申请公布日期
1997.12.22
申请号
NO19970002837
申请日期
1997.06.19
申请人
BAKER HUGHES INC
发明人
HOLCOMBE, MICHAEL W.
分类号
E21B33/05;E21B33/16;E21B41/00;(IPC1-7):E21B33/13
主分类号
E21B33/05
代理机构
代理人
主权项
地址
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