… Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of …
Explanatory notes
… 39.17 ‑ Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics. 3917.10 ‑ Artificial guts (sausage casings) of hardened protein or of cellulosic materials …