 |
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| справочные материалы | |||
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background reference : 8 Phrasen in 4 Thematiken |
| Elektronik | 2 |
| Kernenergie | 3 |
| Nanotechnologie | 1 |
| Technik | 2 |
|
| |||
| справочные материалы | |||
|
background reference : 8 Phrasen in 4 Thematiken |
| Elektronik | 2 |
| Kernenergie | 3 |
| Nanotechnologie | 1 |
| Technik | 2 |