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经营范围
发明名称
Method and device for rotary well drilling
摘要
申请公布号
GB0208169(D0)
申请公布日期
2002.05.22
申请号
GB20020008169
申请日期
2001.07.25
申请人
TOTAL FINA ELF S.A.;ASSOCIATION POUR LA RECHERCHE ET LE DEVELOPPEMENT DES METHODES ET;PROCESSUS INDUSTRIELS (ARMINES)
发明人
分类号
E21B7/06;E21B17/10
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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