Descendants
This heading has no descendants because it belongs to the most detailed level of the classification.
| Code | Description |
|---|---|
| 3710 | Construcción naval |
| 3720 | Reparación y mantenimiento de buques |
This heading has no descendants because it belongs to the most detailed level of the classification.
| Code | Description |
|---|---|
| 3710 | Construcción naval |
| 3720 | Reparación y mantenimiento de buques |