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发明名称
METHOD OF COMBINATION MINING OF SEAM MINERAL DEPOSITS
摘要
申请公布号
SU1059184(A1)
申请公布日期
1983.12.07
申请号
SU19813318586
申请日期
1981.07.21
申请人
DN GORNYJ I IM.ARTEMA
发明人
NOVOZHILOV MIKHAIL G,SU;ESKIN VLADIMIR S,SU;EMETS NIKOLAJ A,SU
分类号
E21C41/00;(IPC1-7):E21C41/00
主分类号
E21C41/00
代理机构
代理人
主权项
地址
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