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发明名称
DUST AND GAS SUPPRESSING APPARATUS
摘要
申请公布号
SU769022(A1)
申请公布日期
1980.10.07
申请号
SU19792759001
申请日期
1979.04.28
申请人
NI GORNORUDNYJ INSTITUT
发明人
FATEEV SERGEJ M,SU;CHUB VASILIJ F,SU;ROSHCHIN VASILIJ F,SU
分类号
E21F5/20;(IPC1-7):E21F5/20
主分类号
E21F5/20
代理机构
代理人
主权项
地址
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