2518.20 Calcined dolomite 2518.20.00 A 2518.20.00 A 2518.20.01 A

2518.30 Agglomerated dolomite (incl tarred dolomite) 2518.30.00 A 2518.30.00 A 2518.30.01 A

2519.10 Natural magnesium carbonate (magnesite) 2519.10.10 D 2519.10.00 D 2519.10.01 A

2519.10.90 A

2519.90 Magnesia, fused, dead-burned etc & magnesium oxide pure or not 2519.90.10 D 2519.90.10 A 2519.90.01 C

2519.90.90 A 2519.90.20 C 2519.90.99 A

2519.90.50 D

North American Free Trade Agreement, 1992 Oct. 7 Tariff Phasing Descriptions · 第 96 / 531 题