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发明名称
Anordning ved hydraulisk drevet fjellboringsutstyr
摘要
申请公布号
NO964316(D0)
申请公布日期
1996.10.10
申请号
NO19960004316
申请日期
1996.10.10
申请人
TAMROCK OY
发明人
NIEMI, JAAKKO
分类号
E21B19/08;E21B44/00;E21B44/06;(IPC1-7):E21C
主分类号
E21B19/08
代理机构
代理人
主权项
地址
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