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发明名称
Dual-type plug for wellhead
摘要
申请公布号
GB2418945(A)
申请公布日期
2006.04.12
申请号
GB20050026178
申请日期
2004.05.19
申请人
FMC KONGSBERG SUBSEA AS
发明人
HANS JORGEN LINDLAND;STEIN FOLKNER
分类号
E21B33/068;E21B33/035
主分类号
E21B33/068
代理机构
代理人
主权项
地址
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