… Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics. …
Explanatory notes
… 39.17 ‑ Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of … guts (sausage casings) of hardened protein or of cellulosic materials ‑ Tubes, pipes and hoses, rigid : 3917.21 ‑ ‑ Of polymers of ethylene 3917.22 ‑ ‑ Of polymers of propylene …