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发明名称
DEVICE FOR TESTING ROCK BY SPLITTING
摘要
申请公布号
SU1613609(A2)
申请公布日期
1990.12.15
申请号
SU19894669571
申请日期
1989.03.30
申请人
KOMMUNARSKIJ GORNOMETALLURGICHESKIJ INSTITUT
发明人
LITVINSKIJ GARRI G,SU;BUJ CHI SHOAT,VN
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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