发明名称 |
metal inter-frame barrier |
摘要 |
Metal inter-frame barrier relates to mining, in particular to means for fixation of underground workings penetrated in difficult mining-geological conditions at large depth of development. |
申请公布号 |
UA32401(U) |
申请公布日期 |
2008.05.12 |
申请号 |
UA20080000850U |
申请日期 |
2008.01.24 |
申请人 |
TRUNOV ANDRII MYKOLAIOVYCH |
发明人 |
TRUNOV ANDRII MYKOLAIOVYCH;PONOMARIEV IHOR MEFODIOVYCH |
分类号 |
E21D11/15 |
主分类号 |
E21D11/15 |
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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