9027: Equipment for physical and chemical analysis

902710: Gas/smoke analysis apparatus 902720: Chromatographs, electrophoresis instruments 902730: Spectrometers, spectrophotometers, etc using light 902740: Exposure meters 902750: Instruments nes using optical radiations 902780: Equipment for physical or chemical analysis, nes 902790: Microtomes, parts of scientific analysis equipment 9027: Equipment for physical and chemical analysis