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发明名称
Tynnvegget holdekilesystem for hoy belastning.
摘要
申请公布号
NO321482(B1)
申请公布日期
2006.05.15
申请号
NO20010002788
申请日期
2001.06.06
申请人
BAKER HUGHES INC
发明人
DOANE JAMES C
分类号
E21B23/01;E21B33/129
主分类号
E21B23/01
代理机构
代理人
主权项
地址
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