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发明名称
METHOD OF WORKING GENTLY-SLOPING COAL SEAMS WITH COAL AND GAS OUTBURST HAZARD PRESENT
摘要
申请公布号
SU1035221(A1)
申请公布日期
1983.08.15
申请号
SU19813314088
申请日期
1981.07.03
申请人
DO NI UGOLNYJ INSTITUT
发明人
PROYAVKIN EVGENIJ T,SU
分类号
(IPC1-7):E21C41/04
主分类号
(IPC1-7):E21C41/04
代理机构
代理人
主权项
地址
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