| |||
| Rohrleitungstechnik f (in Transportwesen, in the transport industry) | |||
|
pipeline engineering : 5 do fraz, 1 tematyki |
| Budownictwo | 5 |
| |||
| Rohrleitungstechnik f (in Transportwesen, in the transport industry) | |||
|
pipeline engineering : 5 do fraz, 1 tematyki |
| Budownictwo | 5 |