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发明名称
COAL-EXCAVATING UNIT
摘要
申请公布号
SU581296(A1)
申请公布日期
1977.11.25
申请号
SU19762369679
申请日期
1976.06.07
申请人
INST GEOTEKHNICHESKOJ MEKHANIKI AN UK SSR
发明人
MACHULA IVAN S,SU;MUSIENKO SERGEJ P,SU;BURYAK NIKOLAJ A,SU
分类号
E21D23/04;(IPC1-7):E21D23/04
主分类号
E21D23/04
代理机构
代理人
主权项
地址
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