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发明名称
MINE VENTILATION METHOD
摘要
申请公布号
SU1684519(A1)
申请公布日期
1991.10.15
申请号
SU19894649642
申请日期
1989.02.13
申请人
VOSTOCHNYJ NI GORNORUDNYJ INSTITUT
发明人
FILIPCHIK EVGENIJ A,SU;KROTENKO BORIS N,SU;BABENKO VIKTOR M,SU;SERGUNIN IGOR A,SU;POPOV ANATOLIJ A,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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