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| категория материалов | |||
| класс материалов | |||
| категория материала | |||
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material class : 37 phrases in 12 subjects |
| Construction | 1 |
| Education | 1 |
| Electrical engineering | 7 |
| Electronics | 10 |
| GOST | 3 |
| Librarianship | 1 |
| Makarov | 7 |
| Microsoft | 1 |
| Military | 2 |
| Patents | 2 |
| Technology | 1 |
| Tribology | 1 |