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| переключатель клапана | |||
| valve switch: 34 phrases in 13 subjects |
| Armored vehicles | 1 |
| Astronautics | 1 |
| Construction | 1 |
| Electrical engineering | 2 |
| Electronics | 1 |
| Hydraulics | 1 |
| Molikpaq | 9 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Shipbuilding | 1 |
| Technology | 11 |
| Transport | 2 |