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发明名称
TIRBO-DRILL
摘要
申请公布号
SU1582718(A1)
申请公布日期
1991.09.30
申请号
SU19884364742
申请日期
1988.01.15
申请人
G ALMETEVSKOE U BUROVYKH RABOT
发明人
KUROCHKIN B.M.,SU;BIKCHURIN T.N.,SU;FATKULLIN R.KH.,SU;ABIYAN KH.L.,SU;PUGIN P.G.,SU
分类号
E21B4/02
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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