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发明名称
MINE WORKING PARTITION
摘要
申请公布号
SU636409(A1)
申请公布日期
1978.12.05
申请号
SU19752172074
申请日期
1975.09.15
申请人
NI GORNORUDNYJ INSTITUT
发明人
VOLOSHCHENKO VLADIMIR P,SU;GORYUNOV VIKTOR M,SU;ZAVADNIKOV VALERIJ M,SU;CHIRVA ANATOLIJ G,SU;DIK KORNEJ B,SU
分类号
E21F5/00;(IPC1-7):E21F5/00
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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