| 发明名称 |
PROFILE FOR FRAME SUPPORT OF UNDERGROUND WORKINGS |
| 摘要 |
A profile for frame support of underground workings consists of roll steel as bearing cross section installed symmetrically with respect to applied load, of shelves that receive bending moment. |
| 申请公布号 |
UA76798(U) |
申请公布日期 |
2013.01.10 |
| 申请号 |
UA20120009293U |
申请日期 |
2012.07.30 |
| 申请人 |
DONBAS STATE TECHNICAL UNIVERSITY |
发明人 |
LYTVYNSKYI HARRI HRYHOROVYCH;FESENKO EDUARD VIKTOROVYCH |
| 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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