2846.10 Cerium compounds 2846.10.00 A 2846.10.00 A 2846.10.01 A
2846.90 Compds of rare-earth met nes, of yttrium or scandium or mx of 2846.90.00 A 2846.90.20 D 2846.90.01 B
2846.90.50 A 2846.90.02 A
North American Free Trade Agreement, 1992 Oct. 7 Tariff Phasing Descriptions · 第 192 / 531 题