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发明名称
Skilleanordning
摘要
申请公布号
NO20054272(D0)
申请公布日期
2005.09.15
申请号
NO20050004272
申请日期
2005.09.15
申请人
PETROLEUM TECHNOLOGY COMPANY AS
发明人
STOKKA OYVIND;KROHN HELGE
分类号
E21B;E21B17/01;E21B21/00;(IPC1-7):E21B
主分类号
E21B
代理机构
代理人
主权项
地址
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