 |
| |||
| basic open-hearth furnace | |||
| |||
| basic open-hearth furnace; basic openhearth furnace | |||
|
four martin basique : 3 фрази в 2 тематиках |
| Металургія | 2 |
| Техніка | 1 |
|
| |||
| basic open-hearth furnace | |||
| |||
| basic open-hearth furnace; basic openhearth furnace | |||
|
four martin basique : 3 фрази в 2 тематиках |
| Металургія | 2 |
| Техніка | 1 |