7607: Aluminium foil of a thickness < 0.2mm

760711: Foil, aluminium, not backed, rolled but nfw, < 0.2mm 760719: Foil, aluminium, not backed and < 0.2mm thick, worked 760720: Foil, aluminium, backed, < 0.2mm thick except backing 7607: Aluminium foil of a thickness < 0.2mm