 |
| |||
| шамотный огнеупор; шамот | |||
|
fireclay refractory : 7 phrases in 3 subjects |
| Construction | 1 |
| Silicate industry | 3 |
| Technology | 3 |
|
| |||
| шамотный огнеупор; шамот | |||
|
fireclay refractory : 7 phrases in 3 subjects |
| Construction | 1 |
| Silicate industry | 3 |
| Technology | 3 |