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发明名称
DUST-SUPPRESSING COMPOSITION
摘要
申请公布号
SU863882(A1)
申请公布日期
1981.09.15
申请号
SU19792805065
申请日期
1979.08.01
申请人
REVOLYUTSII I GORNOGO DELA IM.A.A.SKOCHINSKOGO
发明人
PODOBRAZHIN SERGEJ N,SU;VORONKOV GEORGIJ YA,SU
分类号
E21F5/00;(IPC1-7):E21F5/00
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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