Flexible pipes, tubes, hoses, and fittings therefore, non-metallic in particular non-metal fittings for flexible pipes, tubes and hoses being valves of rubber or vulcanized fiber, not including machine elements; semi-finished products being extruded plastics for use in further manufacturing; semi-finished products being plastics composite materials in the form of profiles for use in further manufacturing; semi-finished products being plastics materials in the form of injected plastic moulding...