 |
| |||
| architecture du tuyau coudé | |||
|
bent-pipe : 8 phrases in 5 subjects |
| Chemistry | 3 |
| Coal | 1 |
| Materials science | 1 |
| Mechanic engineering | 2 |
| Transport | 1 |
|
| |||
| architecture du tuyau coudé | |||
|
bent-pipe : 8 phrases in 5 subjects |
| Chemistry | 3 |
| Coal | 1 |
| Materials science | 1 |
| Mechanic engineering | 2 |
| Transport | 1 |