| 902710 | 902710 - Instruments and apparatus; gas or smoke analysis apparatus, f |
| 902720 | 902720 - Chromatographs and electrophoresis instruments |
| 902730 | 902730 - Spectrometers, spectrophotometers and spectrographs; using op |
| 902740 | Exposure meters |
| 902750 | 902750 - Instruments and apparatus; using optical radiations (UV, visi |
| 902780 | 902780 - Instruments and apparatus; for physical or chemical analysis, |
| 902781 | 902781 - Instruments and apparatus; for physical or chemical analysis, |
| 902789 | 902789 - Instruments and apparatus; for physical or chemical analysis, |
| 902790 | 902790 - Microtomes and parts and accessories thereof |