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发明名称
STONE DUSTER OF MINE WORKING
摘要
申请公布号
SU1564364(A1)
申请公布日期
1990.05.15
申请号
SU19884468515
申请日期
1988.07.29
申请人
KARAGANDINSKIJ G UNIVERSITET
发明人
GRIGORKIN VITALIJ N,SU;DEMISHEVA ELENA F,SU;ILINSKAYA GALINA V,SU;KUBAJCHUK YURIJ A,SU;REJTAROV VIKTOR A,SU
分类号
E21F5/10
主分类号
E21F5/10
代理机构
代理人
主权项
地址
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