4221 — Construction of utility projects for fluids
Descendants
This heading has no descendants because it belongs to the most detailed level of the classification.
Code | Description |
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4221 | Construcció de xarxes per a fluids |
This heading has no descendants because it belongs to the most detailed level of the classification.
Code | Description |
---|---|
4221 | Construcció de xarxes per a fluids |