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发明名称
DEVICE FOR BLASTHOLE DRILLING
摘要
申请公布号
SU1735577(A1)
申请公布日期
1992.05.23
申请号
SU19884494040
申请日期
1988.10.17
申请人
NESTERENKO VLADIMIR,SU;NESTERENKO YURIJ V,SU
发明人
NESTERENKO VLADIMIR I,SU;NESTERENKO YURIJ V,SU
分类号
E21D9/10
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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