 |
| |||
| plenum valve (Olga_Lari); fresh air valve (ВВладимир) | |||
| приточный клапан: 7 phrases in 3 subjects |
| Architecture | 1 |
| Medical appliances | 1 |
| Ventilation | 5 |
|
| |||
| plenum valve (Olga_Lari); fresh air valve (ВВладимир) | |||
| приточный клапан: 7 phrases in 3 subjects |
| Architecture | 1 |
| Medical appliances | 1 |
| Ventilation | 5 |