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发明名称
METHOD OF CONTROL OF DUST-GAS CLOUD IN BLASTING WORK IN OPEN MINE
摘要
申请公布号
SU1613641(A1)
申请公布日期
1990.12.15
申请号
SU19884417869
申请日期
1988.04.28
申请人
DN GORNYJ I IM.ARTEMA
发明人
ZBEROVSKIJ ALEKSANDR V,SU;BONDARENKO VLADIMIR I,SU;SOBKO BORIS E,SU
分类号
E21F5/00
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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