8424 1000 21

8424100021

High-pressure seamless cylinders for compressed or liquefied gas, of steel, of all diameters and volume capacities, whether or not threaded, regardless of internal coating or plating, regardless of external finishing and shape, whether or not with a gas bladder inserted, regardless of the cylinders’ fitting with a valve, neck ring, foot ring or piping, whether or not fastened together to form a bundle