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经营范围
发明名称
Drilling fluid
摘要
申请公布号
GB2267921(A)
申请公布日期
1993.12.22
申请号
GB19920013072
申请日期
1992.06.19
申请人
DAVID * BRANKLING
发明人
DAVID * BRANKLING
分类号
C09K8/24;(IPC1-7):C09K7/02
主分类号
C09K8/24
代理机构
代理人
主权项
地址
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