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发明名称
METHOD OF DUMP TECHNICAL RECLAMATION
摘要
申请公布号
SU1104273(A1)
申请公布日期
1984.07.23
申请号
SU19802996582D
申请日期
1980.10.24
申请人
PROIZV OB PO DOBYCHE UGLYA "VOROSHILOVGRADUGOL"
发明人
MAKHONCHENKO VALERIJ I,SU;GORBUNOV IVAN 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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