| |||
| refined copper; refinery copper; pure copper | |||
| |||
| refine copper | |||
|
рафинированная медь : 3 phrases in 2 subjects |
| Metallurgy | 1 |
| Technology | 2 |
| |||
| refined copper; refinery copper; pure copper | |||
| |||
| refine copper | |||
|
рафинированная медь : 3 phrases in 2 subjects |
| Metallurgy | 1 |
| Technology | 2 |