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发明名称
ANORDNING OG FREMGTE FOR REGULERING AV MATEBEVEGELSE N TIL EN BORESTANG FOR BORING I FJELL.
摘要
申请公布号
NO164054(B)
申请公布日期
1990.05.14
申请号
NO19840002358
申请日期
1984.06.13
申请人
TAMPELLA AB, OY
发明人
HATIALA, EERO;KUUSENTO, JAAKKO;PAASONEN, HANNU
分类号
E21B44/02;E21B3/00;E21B44/06;(IPC1-7):E21C5/16
主分类号
E21B44/02
代理机构
代理人
主权项
地址
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