| |||
| welded neck flanges (district heating Leonid Dzhepko) | |||
|
патрубки под приварку : 2 a las frases, 1 temas |
| Petróleo y gas | 2 |
| |||
| welded neck flanges (district heating Leonid Dzhepko) | |||
|
патрубки под приварку : 2 a las frases, 1 temas |
| Petróleo y gas | 2 |