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发明名称
TELESCOPING JOINT
摘要
申请公布号
EP0210714(A3)
申请公布日期
1987.06.16
申请号
EP19860301980
申请日期
1986.03.18
申请人
CAMERON IRON WORKS, INC.
发明人
TAYLOR, WILLIAM M.;SCHMITZ, THOMAS R.
分类号
E21B43/01;F16L1/12;F16L17/10;F16L27/12;(IPC1-7):F16L27/12;F16L17/03
主分类号
E21B43/01
代理机构
代理人
主权项
地址
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