1*3131 — Tractament dels metalls (tremp, reveniment i similars)
Descendants
This heading has no descendants because it belongs to the most detailed level of the classification.
Code | Description | Partitions |
---|---|---|
28510 | Tractament i revestiment de metalls | 3 |
Code | Description |
---|---|
1*3131 | Tratamiento de los metales (temple, revenido, etc.) |