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发明名称
Anti-accretion additives for drilling fluids
摘要
申请公布号
GB9803249(D0)
申请公布日期
1998.04.08
申请号
GB19980003249
申请日期
1998.02.17
申请人
SOFITECH N.V.
发明人
分类号
C09K8/22
主分类号
C09K8/22
代理机构
代理人
主权项
地址
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