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发明名称
AUGER DRILL
摘要
申请公布号
SU1143826(A2)
申请公布日期
1985.03.07
申请号
SU19823450809
申请日期
1982.06.10
申请人
VNI PI NEFTYANOGO MASHINOSTROENIYA
发明人
KOMAROV VLADIMIR N,SU;MELNIKOV SERGEJ P,SU;ROZIN MIKHAIL M,SU;ANDREEV LEONID P,SU
分类号
E21B7/24;(IPC1-7):E21B7/24
主分类号
E21B7/24
代理机构
代理人
主权项
地址
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