39 | Plastics and articles thereof |
3917 | Pipes, tubes, hoses and fittings therefor (for example, joints, elbows, flanges), of plastics |
391723 | Tubes, pipes and hoses, rigid, of polymers of vinyl chloride |
39172310 | Tubes, pipes and hoses, rigid, of polymers of vinyl chloride, seamless and cut to longer than maks.razmer cross section with obrabot.ili unwrought. surface ... |