244413 Refined copper and copper alloys, unwrought/ master alloys of copper

24441330 Unwrought unalloyed refined copper (excluding rolled, extruded or forged sintered products) 24441370 Unwrought copper alloys (excluding rolled, extruded or forged sintered products)/ master alloys of copper (including alloys which are not usefully malleable) (excluding copper phosphide (phosphor copper) containing > 15% by weight of phosphorous)