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发明名称
PROPLESS SUPPORT FOR MINE WORKINGS
摘要
申请公布号
SU1631177(A1)
申请公布日期
1991.02.28
申请号
SU19884455623
申请日期
1988.07.05
申请人
KHIMIKO-METALLURGICHESKIJ I AN KAZSSR
发明人
ZHIKHOR EVGENIJ A,SU;VAREKHA ZHORZH P,SU;SHMANOV MAKHAMBET N,SU;TELTAEV TAKHTAR A,SU;SUDARIKOV EVGENIJ A,SU
分类号
E21D11/00
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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