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发明名称
APPARATUS FOR SELECTIVE EXCAVATION OF MINERALS
摘要
申请公布号
SU1442650(A1)
申请公布日期
1988.12.07
申请号
SU19823508002
申请日期
1982.11.02
申请人
G PK EXI UGOLNOGO MASHINOSTROENIYA
发明人
KHOTEEV VASILIJ V,SU;PARAMONOV VADIM I,SU;YUZHIN VLADIMIR I,SU;DENKEVICH TADEUSH E,SU
分类号
E21C27/02
主分类号
E21C27/02
代理机构
代理人
主权项
地址
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