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发明名称
Fremgangsmåte og anordning ved pröveflaske
摘要
申请公布号
NO20013621(D0)
申请公布日期
2001.07.24
申请号
NO20010003621
申请日期
2001.07.24
申请人
PETROTECH AS
发明人
SKJOLDAL, ROALD;DAHLE, TOR INGE;DYBDAHL, BJOERN
分类号
E21B;E21B49/08;(IPC1-7):E21B
主分类号
E21B
代理机构
代理人
主权项
地址
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