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经营范围
发明名称
Wellbore apparatus and method
摘要
申请公布号
GB2466475(B)
申请公布日期
2012.07.18
申请号
GB20080020619
申请日期
2008.11.11
申请人
SWELLTEC LIMITED
发明人
KIM NUTLEY;BRIAN NUTLEY
分类号
E21B43/04;E21B33/12;E21B33/124
主分类号
E21B43/04
代理机构
代理人
主权项
地址
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