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发明名称
METHOD FOR WORKING GENTLY SLOPING OUTBURST-HAZARDOUS COAL SEAM
摘要
申请公布号
SU1046514(A1)
申请公布日期
1983.10.07
申请号
SU19813253452
申请日期
1981.02.26
申请人
ZELVYANSKIJ MAKSIM SH,SU
发明人
ZELVYANSKIJ MAKSIM SH,SU
分类号
E21F5/00;(IPC1-7):E21C41/04
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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