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经营范围
发明名称
Treatment of earth formations penetrated by a deep well bore
摘要
申请公布号
US2541688(A)
申请公布日期
1951.02.13
申请号
US19490111577
申请日期
1949.08.20
申请人
THE DOW CHEMICAL COMPANY
发明人
CARDWELL PAUL H.
分类号
C09K8/508
主分类号
C09K8/508
代理机构
代理人
主权项
地址
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