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发明名称
METHOD OF DETERMINING GEOMETRY OF MINE SEISMOGRAPH NETWORK AND SPATIAL LOCATION OF ROCK MASS TREMOR FOCUS
摘要
申请公布号
PL145485(B1)
申请公布日期
1988.09.30
申请号
PL19840249646
申请日期
1984.09.19
申请人
发明人
分类号
E21C39/00;G01V;G01V1/00;(IPC1-7):G01V1/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
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