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发明名称
VERFAHREN UND EINRICHTUNG ZUM REDUZIEREN VON STAUBPROBLEMEN BEIM BOHREN VON FELSGESTEIN
摘要
申请公布号
DE60115398(T2)
申请公布日期
2006.08.03
申请号
DE20016015398T
申请日期
2001.02.01
申请人
SANDVIK TAMROCK OY
发明人
JUUJAERVI, KARI;SORMUNEN, TAPANI
分类号
E21B21/07
主分类号
E21B21/07
代理机构
代理人
主权项
地址
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