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发明名称
TUNNELING COMPLEX FOR ERECTING VERTICAL MINING WORKINGS
摘要
申请公布号
SU977788(A1)
申请公布日期
1982.11.30
申请号
SU19813256427
申请日期
1981.03.06
申请人
SP PK T BYURO
发明人
GUMENNIKOV EVGENIJ S,SU;EDILBAEV IBRAGIM B,SU;TE VIKTOR T,SU
分类号
E21D1/03;(IPC1-7):E21D1/03
主分类号
E21D1/03
代理机构
代理人
主权项
地址
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