HSN CodeHSN Description

2836Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate

8421Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases

9018Instruments and appliances used in medical, surgical, dental or veterinary sciences, including scientigraphic apparatus, other electromedical apparatus and sight-testing instruments electro-diagnostic apparatus (including apparatus for functional exploratory examinations or for checking physiological parameters)

9031Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors

9032Automatic regulating or controlliing instruments and apparatus