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发明名称
Mono-diameter wellbore casing
摘要
申请公布号
GB0418431(D0)
申请公布日期
2004.09.22
申请号
GB20040018431
申请日期
2001.09.27
申请人
SHELL OIL COMPANY
发明人
分类号
E21B17/08;E21B43/10
主分类号
E21B17/08
代理机构
代理人
主权项
地址
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