2805.21 Calcium 2805.21.00 A 2805.21.00 B 2805.21.01 A
2805.22 Strontium and barium 2805.22.00 A 2805.22.10 A 2805.22.01 A
2805.22.20 D
2805.30 Rare-earth metals, scandium and yttrium 2805.30.00 A 2805.30.00 B 2805.30.01 A
North American Free Trade Agreement, 1992 Oct. 7 Tariff Phasing Descriptions · 第 145 / 531 题