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发明名称
System zum Abdichten der Schnittstelle zwischen einem Haupt- und einem Zweigbohrloch
摘要
申请公布号
DE19860686(A1)
申请公布日期
1999.07.01
申请号
DE19981060686
申请日期
1998.12.29
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V., DEN HAAG, NL
发明人
CUMMING, FRANCIS ALEXANDER, RIJSWIJK, NL;FISHER, SIMON LAWRENCE, RUJSWIJK, NL;LOHBECK, WILHELMUS CHRISTIANUS MARIA, RIJSWIJK, NL
分类号
E21B7/06;E21B7/08;E21B41/00;E21B43/10;(IPC1-7):E21B7/08
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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