 |
| |||
| solid stream nozzle (Leonid Dzhepko) | |||
|
ствол компактной струи : 2 phrases in 1 subject |
| Firefighting and fire-control systems | 2 |
|
| |||
| solid stream nozzle (Leonid Dzhepko) | |||
|
ствол компактной струи : 2 phrases in 1 subject |
| Firefighting and fire-control systems | 2 |