Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 17 Tubes, pipes and hoses, and fittings therefor, of plastics 39 17 10 Artificial guts of hardened proteins or cellulosic materials 39 17 10 00 Artificial guts of hardened proteins or cellulosic materials Commodity Code Description 39 17 10 00 00 Artificial guts of hardened proteins or cellulosic materials
