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发明名称
APPARATUS FOR EVALUATING SHOCK HAZARD OF ROCK
摘要
申请公布号
SU1441069(A1)
申请公布日期
1988.11.30
申请号
SU19874234344
申请日期
1987.03.23
申请人
VNII GORNOJ GEOMEKHANIKI MARK
发明人
BLYAKHMAN ALEKSANDR S,SU;PROSKURYAKOV VLADIMIR M,SU
分类号
E21C39/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
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