Section XVIII — Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof
Subheading
902789
Other
Common commodities
pH Sensing EquipmentTitrator InstrumentsViscosity Measuring DevicesSurface Tension MetersCalorimetry ApparatusNuclear Magnetic Resonance (NMR) SpectrometersPorous Material AnalyzersHeat Quantity Analysis MachinespH Sensor KitTitration System Equipment