 |
| |||
| of different kinds; of different sorts | |||
| mixed-grade | |||
| разносортный: 6 do fraz, 4 tematyki |
| Elektronika | 1 |
| Lotnictwo | 3 |
| Technika i technologia | 1 |
| Wojskowość | 1 |
|
| |||
| of different kinds; of different sorts | |||
| mixed-grade | |||
| разносортный: 6 do fraz, 4 tematyki |
| Elektronika | 1 |
| Lotnictwo | 3 |
| Technika i technologia | 1 |
| Wojskowość | 1 |