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发明名称
FLOW CONTROL TOOL
摘要
申请公布号
EP0815343(A1)
申请公布日期
1998.01.07
申请号
EP19960907593
申请日期
1996.03.20
申请人
UWG LIMITED
发明人
DAVY, MARK, STANLEY;BOYD, MARK
分类号
E21B21/10;E21B23/00;(IPC1-7):E21B21/10
主分类号
E21B21/10
代理机构
代理人
主权项
地址
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