 |
| |||
| refined copper; refinery copper; pure copper | |||
| |||
| refine copper | |||
|
рафинированная медь : 3 do fraz, 2 tematyki |
| Hutnictwo | 1 |
| Technika i technologia | 2 |
|
| |||
| refined copper; refinery copper; pure copper | |||
| |||
| refine copper | |||
|
рафинированная медь : 3 do fraz, 2 tematyki |
| Hutnictwo | 1 |
| Technika i technologia | 2 |