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| nitration | |||
| nitridation; nitriding (стали) | |||
| "nitriding" | |||
| nitride hardening; nitrogenization | |||
| nitriding | |||
| nitrogen hardening | |||
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нитрирование : 11 do fraz, 6 tematyki |
| Chemia | 1 |
| Hutnictwo | 2 |
| Inżynieria mechaniczna | 2 |
| Makarowa | 2 |
| Pola naftowe | 1 |
| Technika i technologia | 3 |