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经营范围
发明名称
Drilling fluid, apparatus, and method
摘要
申请公布号
GB0119492(D0)
申请公布日期
2001.10.03
申请号
GB20010019492
申请日期
2001.08.10
申请人
GRAIN PROCESSING CORPORATION
发明人
分类号
C09K8/08;C09K8/10;C09K8/20;C09K8/34
主分类号
C09K8/08
代理机构
代理人
主权项
地址
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