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发明名称
PROCESSO E DISPOSITIVO PARA MEDIR A RESISTIVIDADE DE FLUIDOS EM UMA SONDAGEM
摘要
申请公布号
BR7908388(A)
申请公布日期
1980.09.23
申请号
BR19790008388
申请日期
1979.12.20
申请人
PETROLEUM RES & DEV CORP
发明人
MOULIN P
分类号
E21B49/00;G01N27/07;G01R27/22;G01V3/20;(IPC1-7):G01V3/18
主分类号
E21B49/00
代理机构
代理人
主权项
地址
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