Subheading 740311: Copper; Refined, Unwrought, Cathodes and Sections of Cathodes
Subheading 740312: Copper; Refined, Unwrought, Wire-bars
Subheading 740313: Copper; Refined, Unwrought, Billets
Subheading 740319: Copper; Refined, Unwrought, N.E.C. in Item No. 7403.1
Subheading 740321: Copper; Copper-zinc Base Alloys (Brass) Unwrought
Subheading 740322: Copper; Copper-tin Base Alloys (Bronze) Unwrought
Subheading 740329: Copper; Copper Alloys N.E.C. in Heading No. 7403 (other than Master … etc.