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发明名称
METHOD AND APPARATUS FOR HYDROMECHANICAL EXCAVATION OF STEEP COAL BEDS BY PILLARS IN THE DIP
摘要
申请公布号
SU1244315(A1)
申请公布日期
1986.07.15
申请号
SU19843696618
申请日期
1984.01.27
申请人
KOCHETOV VLADIMIR G,SU
发明人
KOCHETOV VLADIMIR G,SU
分类号
E21C27/00
主分类号
E21C27/00
代理机构
代理人
主权项
地址
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