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发明名称
Well installations and improved tubing therefor
摘要
申请公布号
US3020962(A)
申请公布日期
1962.02.13
申请号
US19580712879
申请日期
1958.02.03
申请人
ARMCO STEEL CORPORATION
发明人
HOLMQUIST JOHN L.
分类号
E21B17/00
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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