 |
| |||
| cooling tower with forced draught; cooling tower with induced draught; cooling tower with mechanical draught | |||
|
Ventilator-Kuehlturm : 2 do fraz, 1 tematyki |
| Elektronika | 2 |
|
| |||
| cooling tower with forced draught; cooling tower with induced draught; cooling tower with mechanical draught | |||
|
Ventilator-Kuehlturm : 2 do fraz, 1 tematyki |
| Elektronika | 2 |