| 发明名称 |
METHOD FOR PROTECTION OF EXTRACTION WORKING |
| 摘要 |
A method for protection of extraction working includes construction of separately standing struts in prepared niches out of zone of support pressure effect, according to the method one arranges separately struts while implementation of niche over extraction working in zone of support pressure effect. |
| 申请公布号 |
UA52896(U) |
申请公布日期 |
2010.09.10 |
| 申请号 |
UA20100004071U |
申请日期 |
2010.04.07 |
| 申请人 |
UKRAINIAN ENGINEERING AND PEDAGOGICAL ACADEMY |
发明人 |
SHTANKO LEONID ANDRIIOVYCH;REMIZOV OLEKSII VALERIIOVYCH |
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