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发明名称
Fremgangsmåte og anordning for fremskaffelse av flere kjernepröver
摘要
申请公布号
NO944079(A)
申请公布日期
1995.05.02
申请号
NO19940004079
申请日期
1994.10.26
申请人
WESTERN ATLAS INTERNATIONAL INC
发明人
MAISSA, JACQUES;CIVAROLO, MARCELO F.;SCHROEDER, DERRYL G.
分类号
E21B49/06;(IPC1-7):E21B25/00;E21B25/14
主分类号
E21B49/06
代理机构
代理人
主权项
地址
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