Section 18 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof 90 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof 90 27 Instruments and apparatus for physical or chemical analysis, etc Commodity Code Description 90 27 10 Gas or smoke analysis apparatus 90 27 20 Chromatographs and electrophoresis instruments 90 27 30 Spectrometers, spectrophotometers and spectrographs using optical radiations 90 27 50 Other instruments and apparatus using optical radiations (UV, visible, IR) 90 27 80 Other instruments and apparatus 90 27 81 Other instruments and apparatus: 90 27 89 Others 90 27 90 Microtomes; parts and accessories
