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发明名称
MINE WORKING SUPPORT
摘要
申请公布号
SU1749467(A1)
申请公布日期
1992.07.23
申请号
SU19904789338
申请日期
1990.02.07
申请人
GNI, üPOEKTHO-KOHCTPÔKTOPCKôö ô üPOEKTHÕö Ô×OóÓHÕö ôHCTôTÔT C ÜKCüEPôMEHTAóÓHÕM ³ABO¯OM "üEÚOPHôôüPOEKT"
发明人
KOMISSAROV STANISLAV N,SU
分类号
E21D11/22
主分类号
E21D11/22
代理机构
代理人
主权项
地址
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