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发明名称
METHOD OF AIRING MINE WORKINGS
摘要
申请公布号
SU1578360(A1)
申请公布日期
1990.07.15
申请号
SU19884424436
申请日期
1988.05.12
申请人
KARAGANDINSKIJ POLT INSTITUT
发明人
GRASHCHENKOV NIKOLAJ F,SU;TURSUNOV NURBEK ZH,SU;KHARKOVSKIJ VIKTOR S,SU
分类号
E21F1/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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