352 — Manufacture of gas; distribution of gaseous fuels through mains
| Code | Description |
|---|---|
| 3521 | Manufacture of gas |
| 3522 | Distribution of gaseous fuels through mains |
| 3523 | Trade of gas through mains |
| Code | Description |
|---|---|
| 352 | Producció de gas; distribució de combustibles gasosos per conductes urbans, excepte gasoductes |