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发明名称
CONNECTOR
摘要
申请公布号
EP0951623(B1)
申请公布日期
2003.05.21
申请号
EP19980900596
申请日期
1998.01.12
申请人
NATIONAL OILWELL (U.K.) LIMITED
发明人
HILLIARD, PAUL
分类号
E21B17/042;E21B17/06;E21B23/04;(IPC1-7):F16L15/00
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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