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发明名称
A METHOD FOR REINFORCING DRIFTS WITH SPATTERED CONCRETE
摘要
申请公布号
SU1647204(A1)
申请公布日期
1991.05.07
申请号
SU19884657597
申请日期
1988.12.28
申请人
DO NI UGOLNYJ INSTITUT
发明人
ZASLAVSKIJ IGOR YU,SU;KREJMER RUMEL S,SU;ZORIN GENNADIJ L,SU;FAJVISHENKO ALEKSANDR G,SU;KAPLUN ALEKSANDR M,SU
分类号
E21D11/10
主分类号
E21D11/10
代理机构
代理人
主权项
地址
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