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发明名称
Formasjonspröveapparat med aksial- og spiralanordnede åpninger
摘要
申请公布号
NO20030715(A)
申请公布日期
2003.04.07
申请号
NO20030000715
申请日期
2003.02.14
申请人
BAKER HUGHES INC
发明人
KRUEGER, VOLKER;MEISTER, MATTHIAS;BERGER, PER-ERIK;LEE, JAEDONG;MICHAELS, JOHN M
分类号
E21B49/10;(IPC1-7):E21B47/10
主分类号
E21B49/10
代理机构
代理人
主权项
地址
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