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发明名称
METHOD FOR PREVENTING SUDDEN OUTBURSTS OF COAL AND GAS
摘要
申请公布号
SU1723341(A1)
申请公布日期
1992.03.30
申请号
SU19904829512
申请日期
1990.05.28
申请人
G MAKEEVSKIJ NII PO BEZOPASNOSTI RABOT V GORNOJ PROMYSHLENNOSTI
发明人
VAJNSHTEJN LEONID A,SU;KOLCHIN GENNADIJ I,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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