 |
| |||
| steam-to-water heating element | |||
| steam-to-water preheater | |||
| паровой подогреватель воды: 5 phrases, 3 sujets |
| Génie thermique | 1 |
| Industrie de l'industr. | 1 |
| Nautique | 3 |
|
| |||
| steam-to-water heating element | |||
| steam-to-water preheater | |||
| паровой подогреватель воды: 5 phrases, 3 sujets |
| Génie thermique | 1 |
| Industrie de l'industr. | 1 |
| Nautique | 3 |