| 9031.20 | 000 | Test benches |
| 9031.20 | | Other optical instruments and appliances |
| 9031.41 | 000 | For inspecting semiconductor wafers or devices or for inspecting photomasks or reticles used in manufacturing semiconductor devices |
| 9031.49 | 000 | Other |
| 9031.80 | | Other instruments, appliances and machines |
| 9031.80 | 019 | -- Other |
| 9031.80 | 090 | - Other |
| 9031.90 | 090 | - Other |
| 9032.10 | | Thermostats |
| 9032.10 | 090 | - Other |
| 9032.20 | | Other instruments and apparatus |
| 9032.81 | 000 | Hydraulic or pneumatic |
| 9032.89 | | Other |
| 9032.89 | 090 | - Other |
| 9033.00 | 000 | Parts and accessories (not specified or included elsewhere in this Chapter) for machines, appliances, instruments or apparatus of Chapter 90 |
| 91.01 | | Wrist-watches, pocket-watches and other watches, including stop-watches, with case of precious metal or of metal clad with precious metal |
| 91.01 | | Wrist-watches, electrically operated, whether or not incorporating a stop-watch facility |
| 9101.11 | 000 | With mechanical display only |
| 9101.19 | 000 | Other |
| 9101.19 | | Other wrist-watches, whether or not incorporating a stop-watch facility |
| 9101.21 | 000 | With automatic winding |
| 9101.29 | 000 | Other |
| 9101.29 | | Other |