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发明名称
Trykkf°lsomt br°nnverkt°y med en mellomtrinn-trykkstilling
摘要
申请公布号
NO985497(A)
申请公布日期
1999.06.02
申请号
NO19980005497
申请日期
1998.11.25
申请人
HALLIBURTON ENERGY SERVICES INC
发明人
POULLARD, JASON P.;HINKIE, RONALD L.
分类号
E21B34/00;E21B34/10;(IPC1-7):E21B23/00;E21B21/08
主分类号
E21B34/00
代理机构
代理人
主权项
地址
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