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发明名称
Detection of fluid movement in wells
摘要
申请公布号
US2669872(A)
申请公布日期
1954.02.23
申请号
US19520293961
申请日期
1952.06.17
申请人
THE DOW CHEMICAL COMPANY
发明人
HARTWEG DALE G.
分类号
E21B47/10
主分类号
E21B47/10
代理机构
代理人
主权项
地址
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