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发明名称
METHOD OF DUST SUPPRESSION
摘要
申请公布号
SU1573208(A1)
申请公布日期
1990.06.23
申请号
SU19884402756
申请日期
1988.04.01
申请人
INST GEOTEKHNICHESKOI MEKHANI
发明人
SLAVIN IGOR G,SU
分类号
E21F5/02
主分类号
E21F5/02
代理机构
代理人
主权项
地址
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