8421: Liquid, gas centrifuges, filtering, purifying machine

842111: Cream separators 842112: Clothes-dryers, centrifugal 842119: Centrifuges nes 842121: Water filtering or purifying machinery or apparatus 842122: Filtering/purifying machinery/apparatus for beverages 842123: Oil/petrol filters for internal combustion engines 842129: Filtering/purifying machinery for liquids nes 842131: Intake air filters for internal combustion engines 842139: Filtering or purifying machinery for gases nes 842191: Parts of centrifuges, including centrifugal dryers 842199: Parts for filter/purifying machines for liquid/gas 8421: Liquid, gas centrifuges, filtering, purifying machine