 |
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| 单色 | |||
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single-color : 23 do fraz, 5 tematyki |
| Chemia | 3 |
| Hutnictwo | 1 |
| Poligrafia | 2 |
| Technika i technologia | 13 |
| Włókiennictwo | 4 |
|
| |||
| 单色 | |||
|
single-color : 23 do fraz, 5 tematyki |
| Chemia | 3 |
| Hutnictwo | 1 |
| Poligrafia | 2 |
| Technika i technologia | 13 |
| Włókiennictwo | 4 |