 |
| |||
| fusion and sintering plant (MichaelBurov); alumina fusion and sintering plant (MichaelBurov) | |||
| установка плавления и спекания: 3 phrases, 1 sujets |
| Exploitation minière | 3 |
|
| |||
| fusion and sintering plant (MichaelBurov); alumina fusion and sintering plant (MichaelBurov) | |||
| установка плавления и спекания: 3 phrases, 1 sujets |
| Exploitation minière | 3 |