| Chapter Code | Chapter Description |
|---|
| 85431090 | PARTICLE ACCELERATORS : OTHER INCLUDING CYCLOTRONS |
| 85431000 | PARTICLE ACCELERATORS : ION IMPLANTERS FOR DOPING SEMI CONDUCTOR MATERIALS |
| 85431090 | PARTICLE ACCELERATORS : OTHER INCLUDING CYCLOTRONS |
| 85423900 | ELECTRONIC INTEGRATED CIRCUITS : OTHER |
| 85429000 | ELECTRONIC INTEGRATED CIRCUITS : PARTS |
| 85431020 | PARTICLE ACCELERATORS : VANE GRAFF, COCK-CROFT, WALTON ACCELERATORS |
| 85431030 | PARTICLE ACCELERATORS : SYNCHROCYCLOTRONS, SYNCHROTRONS |
| 85429000 | ELECTRONIC INTEGRATED CIRCUITS : PARTS |