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发明名称
INSTALLATION FOR ENLARGING VERTICAL CHAMBERS, MINE WORKINGS AND OTHER STRUCTURES
摘要
申请公布号
RU2020238(C1)
申请公布日期
1994.09.30
申请号
RU19930021671
申请日期
1993.04.26
申请人
MALOE NAUCHNO-PROIZVODSTVENNOE PREDPRIYATIE "VOTUS"
发明人
BENDERSKIJ LEONID F;STUPEL REM O;BRAGINSKIJ GRIGORIJ S;OKHRIMENKO VADIM V;EVLIKOV ALEKSANDR A;SOLOVEV VLADIMIR V
分类号
E21D1/03
主分类号
E21D1/03
代理机构
代理人
主权项
地址
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