 |
| |||
| L-образное уплотнительное кольцо (baletnica) | |||
| L -ring: 5 phrases in 3 subjects |
| Electrical engineering | 1 |
| Metrology | 1 |
| Technology | 3 |
|
| |||
| L-образное уплотнительное кольцо (baletnica) | |||
| L -ring: 5 phrases in 3 subjects |
| Electrical engineering | 1 |
| Metrology | 1 |
| Technology | 3 |