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发明名称
WELL DRILLING FLUIDS, FLUID LOSS ADDITIVES THEREFOR AND PREPARATION OF SUCH ADDITIVES
摘要
申请公布号
GB2178785(B)
申请公布日期
1988.05.25
申请号
GB19860019007
申请日期
1986.08.04
申请人
* DRESSER INDUSTRIES INC
发明人
ROBERT * WILLIAMSON
分类号
C09K8/20;(IPC1-7):C09K7/06;C10C3/04
主分类号
C09K8/20
代理机构
代理人
主权项
地址
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