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经营范围
发明名称
DRILLING TOOL
摘要
申请公布号
SU1629458(A1)
申请公布日期
1991.02.23
申请号
SU19884403069
申请日期
1988.04.04
申请人
KURTOV VENIAMIN D,SU;GLUKHOV ANATOLIJ N,SU;SEREBRENNIKOV VLADIMIR,SU
发明人
KURTOV VENIAMIN D,SU;GLUKHOV ANATOLIJ N,SU;SEREBRENNIKOV VLADIMIR I,SU
分类号
E21B10/26
主分类号
E21B10/26
代理机构
代理人
主权项
地址
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