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发明名称
VERFAHREN ZUR KOMPLETTIERUNG EINES VERROHRUNGFREIEN BOHRLOCHABSCHNITTES
摘要
申请公布号
DE69305852(T2)
申请公布日期
1997.05.22
申请号
DE19936005852T
申请日期
1993.06.08
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V., DEN HAAG/S'GRAVENHAGE, NL
发明人
LOHBECK, WILHELMUS, CHRISTIANUS, MARIA, NL-2288 GD RIJSWIJK, NL
分类号
E21B43/08;E21B43/10;(IPC1-7):E21B43/10
主分类号
E21B43/08
代理机构
代理人
主权项
地址
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