Class 28.21
| SNI code | Activity |
|---|---|
| C | Manufacturing |
| 28 | Manufacture of machinery and equipment n.e.c. |
| 28.2 | Manufacture of other general-purpose machinery |
| 28.21 | Manufacture of ovens, furnaces and furnace burners |
| 28.210 | Manufacture of ovens, furnaces and furnace burners |