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发明名称
METHOD OF WORKING THICK GENTLY-SLOPING BEDS
摘要
申请公布号
SU939752(A1)
申请公布日期
1982.06.30
申请号
SU19802983698
申请日期
1980.09.24
申请人
VNII GORNOJ GEOMEKHANIKI MARKSHEJDERSKOGO DELA
发明人
KRUGLIKOV VYACHESLAV P,SU;ROZENBAUM MARK A,SU;GAPANOVICH LEONID N,SU;GROMOV YURIJ V,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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