| 发明名称 |
APPLIANCE FOR EXTRACTION AND DELIVERY OF COAL AT THIN FLAT-LYING AND INCLINED SEAMS |
| 摘要 |
Appliance for extraction and delivery of coal at thin flat-lying and inclined seams has scrapers with cutters, multi-link barrier and drives, hinges, restrictors of scraper turn.
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| 申请公布号 |
UA24265(U) |
申请公布日期 |
2007.06.25 |
| 申请号 |
UA20070001162U |
申请日期 |
2007.02.05 |
| 申请人 |
DONBAS STATE TECHNICAL UNIVERSITY |
发明人 |
TYSCHENKO VIKTOR OLEKSIIOVYCH |
| 分类号 |
E21C41/00 |
主分类号 |
E21C41/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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