| 发明名称 |
METHOD FOR PROTECTION OF OPENINGS OF COAL MINES |
| 摘要 |
A method for protection of openings of coal mines relates to mining industry and can be used at designing, penetration and protection of openings of coal mines. |
| 申请公布号 |
UA46525(U) |
申请公布日期 |
2009.12.25 |
| 申请号 |
UA20090007019U |
申请日期 |
2009.07.06 |
| 申请人 |
UKRAINIAN STATE RESEARCH AND DESIGN INSTITUTE OF MINING GEOLOGY, GEO-MECHANICS AND MINE SURVEY |
发明人 |
PITALENKO YEVHEN IVANOVYCH;FEOFANOV ANDRII MYKOLAIOVYCH;VASIUTINA VIKTORIA VOLODYMYRIVNA;PAKIN YURII VIKTOROVYCH |
| 分类号 |
E21D11/05 |
主分类号 |
E21D11/05 |
| 代理机构 |
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