81 | Other base metals; cermet; articles thereof |
8112 | Beryllium, chromium, germanium, vanadium, gallium, hafnium, indium, niobium (columbium), rhenium and thallium, and articles thereof, including waste and scrap |
811299 | Other hafnium, niobium, rhenium, gallium, indium, thallium |
8112997009 | Vanadium |