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| parallel duct (vertical ventilation duct, parallel to the main exhaust duct); ditch canal; parallel canal; side canal; gannabia | |||
| parallel channel | |||
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canal parallele : 7 do fraz, 5 tematyki |
| Elektronika | 1 |
| Inżynieria mechaniczna | 2 |
| Komputery | 1 |
| Technologia informacyjna | 2 |
| Zautomatyzowany sprzęt | 1 |