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发明名称
CENTRAL CIRCULATION COMPLETION SYSTEM
摘要
申请公布号
EP1276955(B1)
申请公布日期
2004.12.22
申请号
EP20010921621
申请日期
2001.04.12
申请人
FMC TECHNOLOGIES, INC.
发明人
COLLIE, GRAEME, JOHN;HUTCHISON, DAVID, RAMSAY;KENT, RICHARD
分类号
E21B33/035;E21B29/08;E21B33/03;E21B33/04;E21B33/047;E21B34/02;E21B34/04;E21B43/10;(IPC1-7):E21B33/03
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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