| 90 | Optical instruments and apparatus, photographic, cinematographic, measuring, checking, precision, medical or surgical; parts and accessories |
| 9015 | Instruments and tools surveying (including photogrammetrical surveying), hydrographic, oceanographic, hydrological, meteorological or geophysical, excluding compasses; rangefinder |
| 901580 | Other devices and tools topographic, hydrographic, oceanographic, hydrological, meteorological or geophysical, excluding compasses, electronic |
| 9015801100 | Apparatus and instruments meteorological, hydrological and geophysical, electronic |