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发明名称
METHOD OF MONITORING CRACK BORDER IN ROCK SPECIMENS
摘要
申请公布号
SU1425324(A1)
申请公布日期
1988.09.23
申请号
SU19864103764
申请日期
1986.08.07
申请人
INST GORNOGO DELA SO AN SSSR
发明人
KYU NIKOLAJ G,SU;CHERNOV OLEG I,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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