… Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron …
Explanatory notes
… 73.07 ‑ Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. … bends and return bends, reducers, tees, crosses, caps and plugs, lap joint stub‑ends, fittings for tubular railings …