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发明名称
ZWEITEILIGE TELESKOPISCHE SPANNVORRICHTUNG FÜR STEIGROHRE AN EINER SCHWIMMENDEN ANLAGE ZUR ÖL UND GASFÖRDERUNG
摘要
申请公布号
DE60307311(T2)
申请公布日期
2007.10.18
申请号
DE20036007311T
申请日期
2003.11.10
申请人
NATIONAL OILWELL NORWAY AS
发明人
MOE, MATHIAS
分类号
E21B19/09;E21B19/00
主分类号
E21B19/09
代理机构
代理人
主权项
地址
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