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发明名称
DEVICE FOR DETERMINING DEGREE OF ROCK MASS IMPACT- OR OUTBURST-HAZARD
摘要
申请公布号
RU2071563(C1)
申请公布日期
1997.01.10
申请号
RU19940033843
申请日期
1994.09.27
申请人
PROSKURYAKOV VLADIMIR MAKSIMOVICH
发明人
PROSKURYAKOV VLADIMIR MAKSIMOVICH;SKAKUN ANATOLIJ PAVLOVICH;BERSON VYACHESLAV MIKHAJLOVICH
分类号
E21C39/00;(IPC1-7):E21C39/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
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