741011 Foil of Refined Copper, Not Backed, of a Thickness Not Exceeding 0.15mm
741012 Foil of Copper Alloys, Not Backed, of a Thickness Not Exceeding 0.15mm
741021 Foil and Strip, Thin, of Refined Copper, of a Thickness Not Exceeding 0.15mm
741022 Foil of Copper Alloys, Backed, of a Thickness Not Exceeding 0.15mm