Subheading 391710: Plastics; Artificial Guts (Sausage Casings) of Hardened Protein or … etc.
Subheading 391721: Plastics; Tubes, Pipes and Hoses thereof, Rigid, of Polymers of Et … etc.
Subheading 391722: Plastics; Tubes, Pipes and Hoses thereof, Rigid, of Polymers of Pr … etc.
Subheading 391723: Plastics; Tubes, Pipes and Hoses thereof, Rigid, of Polymers of Vi … etc.
Subheading 391729: Plastics; Tubes, Pipes and Hoses thereof, Rigid, of Plastics N.E.C … etc.
Subheading 391731: Plastics; Tubes, Pipes and Hoses thereof, Flexible, Having a Minim … etc.
Subheading 391732: Plastics; Tubes, Pipes and Hoses thereof, other than those of Item … etc.
Subheading 391733: Plastics; Tubes, Pipes and Hoses thereof, other than those of Item … etc.
Subheading 391739: Plastics; Tubes, Pipes and Hoses thereof, N.E.C. in Item No. 3917. … etc.
Subheading 391740: Plastics; Tube, Pipe and Hose Fittings (e.g. Joints, Elbows, Flang … etc.