Explanatory notes
… and hubs and other parts of wheels; (b) Frames, underframes, bogies and bissel‑bogies; (c) Axle … systems (see Note 5 to Section XVII). Incomplete or unfinished vehicles are classified with the corresponding … railway or tramway coaches, not fitted with a power unit, measuring instruments, safety apparatus or service …Legal note
… inter alia , to : (a) Axles, wheels, wheel sets (running gear), metal tyres, hoops and hubs and other parts of wheels; (b) Frames, underframes, bogies and bissel‑bogies; (c) Axle …