 |
| |||
| cemented steel; converted steel | |||
| carbonized steel; cement steel | |||
| case-hardened steel | |||
| цементованная сталь: 8 do fraz, 2 tematyki |
| Hutnictwo | 7 |
| Technika i technologia | 1 |
|
| |||
| cemented steel; converted steel | |||
| carbonized steel; cement steel | |||
| case-hardened steel | |||
| цементованная сталь: 8 do fraz, 2 tematyki |
| Hutnictwo | 7 |
| Technika i technologia | 1 |