Pipe gaskets; Joint packings for plastic pipes, rubber pipes; raw rubber; semi-worked rubber; Semi-processed plastics; Semi-finished plastic composite materials in the form of sheets, boards, foils, rods, bars, tubes, blocks, fibres and powders, jointed, hybridized and integrated with metal for use in the manufacture of vehicle parts and frames, casings and housings for electronic parts, mechanical parts, building materials, containers, household articles, medical apparatus and instruments; S...