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发明名称
DRILLING FLUID
摘要
申请公布号
GB9111481(D0)
申请公布日期
1991.07.17
申请号
GB19910011481
申请日期
1991.05.29
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
C09K8/08;C09K8/20
主分类号
C09K8/08
代理机构
代理人
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地址
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