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发明名称
Drilling fluids
摘要
申请公布号
GB2246802(B)
申请公布日期
1994.08.31
申请号
GB19910016840
申请日期
1991.08.05
申请人
DENNIS COLIN * WILLIAMS
发明人
DENNIS COLIN * WILLIAMS
分类号
C09K8/26;C09K8/32;(IPC1-7):C09K7/06;C09K7/02
主分类号
C09K8/26
代理机构
代理人
主权项
地址
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