 |
| |||
| pipe system | |||
| pipework | |||
| tube assembly | |||
| piping system; assembly of tubes | |||
| |||
| piping | |||
|
Rohrsystem : 7 do fraz, 3 tematyki |
| Budownictwo | 5 |
| Melioracja | 1 |
| Pospolicie | 1 |
|
| |||
| pipe system | |||
| pipework | |||
| tube assembly | |||
| piping system; assembly of tubes | |||
| |||
| piping | |||
|
Rohrsystem : 7 do fraz, 3 tematyki |
| Budownictwo | 5 |
| Melioracja | 1 |
| Pospolicie | 1 |