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| фильтр ленточного типа (Automatic tape filter: A tape filter device for the removal of solids from liquid media having a weir assembly, which enables solids to be carried out by the water flow, into which a tape ... Alexander Demidov) | |||
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tape filter : 3 短语, 3 学科 |
| 大规模杀伤性武器 | 1 |
| 核能和聚变能 | 1 |
| 自然资源和野生动物保护 | 1 |