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发明名称
VERFAHREN ZUR HERSTELLUNG EINER TIEFBOHRUNG FÜR DIE FÖRDERUNG VON ERDÖL
摘要
申请公布号
AT1149(U1)
申请公布日期
1996.11.25
申请号
AT19960008010U
申请日期
1996.01.29
申请人
HAYDUK DIETER DIPL.PHYS.
发明人
分类号
E21B7/20;(IPC1-7):E21B7/20
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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