 |
| |||
| chrome-iron ore (min.) | |||
| chrome iron; chromite of iron | |||
| chromic iron | |||
| chrome iron ore; chromite | |||
| |||
| chrome iron ore; chromite | |||
|
chromite : 13 do fraz, 4 tematyki |
| Budownictwo | 1 |
| Chemia | 1 |
| Hutnictwo | 3 |
| Technika i technologia | 8 |
|
| |||
| chrome-iron ore (min.) | |||
| chrome iron; chromite of iron | |||
| chromic iron | |||
| chrome iron ore; chromite | |||
| |||
| chrome iron ore; chromite | |||
|
chromite : 13 do fraz, 4 tematyki |
| Budownictwo | 1 |
| Chemia | 1 |
| Hutnictwo | 3 |
| Technika i technologia | 8 |