 |
| |||
| Be- und Entluftungssystem | |||
| система приточно-вытяжной вентиляции: 6 phrases in 5 subjects |
| Hygiene | 2 |
| Military | 1 |
| Nuclear and fusion power | 1 |
| Thermal engineering | 1 |
| Ventilation | 1 |
|
| |||
| Be- und Entluftungssystem | |||
| система приточно-вытяжной вентиляции: 6 phrases in 5 subjects |
| Hygiene | 2 |
| Military | 1 |
| Nuclear and fusion power | 1 |
| Thermal engineering | 1 |
| Ventilation | 1 |