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发明名称
IMPROVED SUB-SEA TEST TREE APPARATUS
摘要
申请公布号
EP0595907(B1)
申请公布日期
1997.12.03
申请号
EP19920915716
申请日期
1992.07.23
申请人
EXPRO NORTH SEA LIMITED
发明人
COUTTS, GRAEME, FORBES;EDWARDS, JEFFREY, CHARLES
分类号
E21B33/064;E21B34/04;(IPC1-7):E21B34/04
主分类号
E21B33/064
代理机构
代理人
主权项
地址
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