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发明名称
Foringsr°rpakning
摘要
申请公布号
NO975894(A)
申请公布日期
1998.06.15
申请号
NO19970005894
申请日期
1997.12.15
申请人
BAKER HUGHES INC
发明人
CORONADO, MARTIN P.;MODY, RUSTOM K.;SOLARI, MARK C.
分类号
E21B33/127;E21B33/1295;(IPC1-7):E21B33/127
主分类号
E21B33/127
代理机构
代理人
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地址
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