 |
| |||
| ultra low cement (MichaelBurov); ultralow cement (MichaelBurov) | |||
| ультранизкоцементный: 6 phrases in 2 subjects |
| Refractory materials | 2 |
| Technology | 4 |
|
| |||
| ultra low cement (MichaelBurov); ultralow cement (MichaelBurov) | |||
| ультранизкоцементный: 6 phrases in 2 subjects |
| Refractory materials | 2 |
| Technology | 4 |