Section 15 Base metals and articles of base metal 74 Copper and articles thereof 74 01 Copper mattes; cement copper (precipitated copper) 74 01 00 Copper mattes; cement copper (precipitated copper) 74 01 00 00 Copper mattes; cement copper (precipitated copper) Commodity Code Description 74 01 00 00 000 Copper mattes; cement copper (precipitated copper)
