| 84 | Reactors nuclear, boilers, equipment and mechanical devices; their parts |
| 8461 | Machines planing, cross-planing, slotting, broaching, gear cutting, gear grinding or gear finishing, sawing, cutting-off and other machine tools for working metal or cermets by removing material, not elsewhere poi |
| 846140 | Machines gear cutting, grinding or gear finishing |
| 84614011 | Machines for gear spur gears with cnc |