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发明名称
PIPE ASSEMBLY
摘要
申请公布号
EP1311739(A1)
申请公布日期
2003.05.21
申请号
EP20010960919
申请日期
2001.08.22
申请人
CRP GROUP LIMITED
发明人
TYRER, ANDREW CHARLES RATCLIFFE;GIBSON, ROBERT;HEPWORTH, RICHARD
分类号
E21B17/01;E21B17/20;F16L1/20;F16L11/133;F16L59/153;(IPC1-7):E21B17/01;F16L1/12;F16L9/00;F16L59/14
主分类号
E21B17/01
代理机构
代理人
主权项
地址
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