| 845610 | 845610 - -Operated by laser or other light or photon beam processes |
| 845611 | 845611 - Machine-tools; for working any material by removal of materia |
| 845612 | 845612 - Machine-tools; for working any material by removal of materia |
| 845620 | 845620 - Machine-tools; for working any material by removal of materia |
| 845630 | 845630 - Machine-tools; for working any material by removal of materia |
| 845640 | 845640 - Machine tools; for working any material by removal of materia |
| 845650 | 845650 - Machine tools; for working any material by removal of materia |
| 845690 | 845690 - Machine tools; for working any material by removal of materia |
| 845691 | 845691 - -- for dry-etching patterns on semiconductor materials |
| 845699 | 845699 - -- Other |