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经营范围
发明名称
CAVITY WELL SYSTEM
摘要
申请公布号
EP1907666(A2)
申请公布日期
2008.04.09
申请号
EP20060771690
申请日期
2006.05.31
申请人
CDX GAS, LLC
发明人
PRATT, CHRISTOPHER, A.;SEAMS, DOUGLAS, P.
分类号
E21B43/00;E21B43/04;E21B43/12;E21B43/30
主分类号
E21B43/00
代理机构
代理人
主权项
地址
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