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经营范围
发明名称
Downhole apparatus comprising a swellable mantle
摘要
申请公布号
GB2462009(A)
申请公布日期
2010.01.27
申请号
GB20090012980
申请日期
2009.07.27
申请人
SWELLTEC LIMITED
发明人
KIM NUTLEY;BRIAN NUTLEY
分类号
E21B43/10
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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