 |
| датчик пожарной сигнализации: 5 phrases in 5 subjects |
| Electrical engineering | 1 |
| Energy industry | 1 |
| Firefighting and fire-control systems | 1 |
| Oil and gas technology | 1 |
| Technology | 1 |
|
| датчик пожарной сигнализации: 5 phrases in 5 subjects |
| Electrical engineering | 1 |
| Energy industry | 1 |
| Firefighting and fire-control systems | 1 |
| Oil and gas technology | 1 |
| Technology | 1 |