| 851410 | 851410 - Furnaces and ovens; electric, for industrial or laboratory us |
| 851411 | 851411 - Furnaces and ovens; electric, for industrial or laboratory us |
| 851419 | 851419 - Furnaces and ovens; electric, for industrial or laboratory us |
| 851420 | 851420 - Furnaces and ovens; electric, for industrial or laboratory us |
| 851430 | 851430 - Furnaces and ovens; electric, for industrial or laboratory us |
| 851431 | 851431 - Furnaces and ovens; electric, for industrial or laboratory us |
| 851432 | 851432 - Furnaces and ovens; electric, for industrial or laboratory us |
| 851439 | 851439 - Furnaces and ovens; electric, for industrial or laboratory us |
| 851440 | 851440 - Heating equipment; for the heat treatment of materials by ind |
| 851490 | 851490 - Furnaces, ovens and heating equipment; parts of the industria |