 |
| |||
| skin hardening; surface quenching; surface hardening; hardening of carburized surface | |||
| superficial hardening | |||
| flame hardening | |||
| case hardening | |||
|
trempe superficielle : 6 do fraz, 4 tematyki |
| Hutnictwo | 3 |
| Inżynieria mechaniczna | 1 |
| Nauka o ziemi | 1 |
| Technika i technologia | 1 |