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经营范围
发明名称
Formation testing apparatus
摘要
申请公布号
US2745496(A)
申请公布日期
1956.05.15
申请号
US19530388647
申请日期
1953.10.27
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
BLOOD ROBERT H.;SEWELL BEN W.
分类号
E21B33/127;E21B49/08
主分类号
E21B33/127
代理机构
代理人
主权项
地址
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