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发明名称
DRILLING MUD COMPOSITIONS
摘要
申请公布号
EP0588879(B1)
申请公布日期
1996.08.28
申请号
EP19920912063
申请日期
1992.06.05
申请人
MONSANTO COMPANY
发明人
WESTLAND, JOHN A.;PENNY, GLENN, S.;LENK, DEBORAH, A.
分类号
C09K8/20;C09K8/62;C09K8/90;C12P19/04;E21B43/267;(IPC1-7):C09K7/02
主分类号
C09K8/20
代理机构
代理人
主权项
地址
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