 |
| |||
| руднотермический (e.g., ore-heating furnace/oven Alexander Demidov) | |||
| ore-heating: 6 do fraz, 2 tematyki |
| Geologia | 1 |
| Makarowa | 5 |
|
| |||
| руднотермический (e.g., ore-heating furnace/oven Alexander Demidov) | |||
| ore-heating: 6 do fraz, 2 tematyki |
| Geologia | 1 |
| Makarowa | 5 |