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发明名称
Well packer and testing tool combination
摘要
申请公布号
US2671510(A)
申请公布日期
1954.03.09
申请号
US19500175416
申请日期
1950.07.22
申请人
THE INSTITUTE OF INVENTIVE RESEARCH
发明人
SLICK THOMAS B.;BROWN ROBINSON W.;METCALF HUGH E.
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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