发明名称 |
SUPPORT OF MINE WORKING IN DIFFICULT MINING-GEOLOGICAL CONDITIONS AT LARGE DEPTH OF DEVELOPMENT |
摘要 |
Support of mine working is in addition equipped with slat with opening that is rigidly fixed on flanges of segments of arch and guide tube in which rods with different diameters are placed and ends with different configuration with possibility of interaction with each other and surface of bottom of profile of segments of arch. |
申请公布号 |
UA33060(U) |
申请公布日期 |
2008.06.10 |
申请号 |
UA20080001344U |
申请日期 |
2008.02.04 |
申请人 |
TRUNOV ANDRII MYKOLAIOVYCH |
发明人 |
TRUNOV ANDRII MYKOLAIOVYCH;PONOMARIOV IHOR MEFODIIOVYCH;STRELNIKOV VADYM IVANOVYCH;OVSIANNIKOV VOLODYMYR PAVLOVYCH |
分类号 |
E21D11/14 |
主分类号 |
E21D11/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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