2612.20 Thorium ores and concentrates 2612.20.00 D 2612.20.00 D 2612.20.01 A

2613.10 Molybdenum concentrates, roasted 2613.10.00 D 2613.10.00 A 2613.10.01 A

2613.90 Molybdenum ores and concentrates nes 2613.90.00 D 2613.90.00 A 2613.90.99 A

2614.00 Titanium ores and concentrates 2614.00.00 D 2614.00.30 A 2614.00.01 A

2614.00.60 D 2614.00.99 A

2615.10 Zirconium ores and concentrates 2615.10.00 D 2615.10.00 D 2615.10.01 A

2615.90 Niobium, tantalum and vanadium ores and concentrates 2615.90.00 D 2615.90.30 D 2615.90.99 A

2615.90.60 D

North American Free Trade Agreement, 1992 Oct. 7 Tariff Phasing Descriptions · 第 118 / 531 题