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发明名称
Bentonit basierter Bohrschlamm und Bohrverfahren
摘要
申请公布号
DE69904862(D1)
申请公布日期
2003.02.20
申请号
DE19996004862
申请日期
1999.02.05
申请人
COMPAGNIE DU SOL, NANTERRE
发明人
MICHELSON, ALBERTE;VATTEMENT, HUBERT
分类号
C09K8/22;(IPC1-7):C09K7/02
主分类号
C09K8/22
代理机构
代理人
主权项
地址
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