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发明名称
Entfernung des Bohrkleins aus einer wässrigen Bohrspülung
摘要
申请公布号
DE69404978(T2)
申请公布日期
1997.12.18
申请号
DE19946004978T
申请日期
1994.04.19
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V., DEN HAAG/S'GRAVENHAGE, NL
发明人
KILLIE, SIV, NL-2288 GD RIJSWIJK, NL;HOORN, JOHANNES, ADRIAAN, ARIS, 1531 LC WORMER, NL
分类号
C09K8/03;C09K8/10;C09K8/12;E21B21/06;(IPC1-7):C09K7/02;C09K7/00
主分类号
C09K8/03
代理机构
代理人
主权项
地址
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