2918.12 Tartaric acid 2918.12.00 A 2918.12.00 A 2918.12.01 A

2918.13 Salts and esters of tartaric acid 2918.13.10 D 2918.13.10 A 2918.13.01 A

2918.13.20 A 2918.13.20 A 2918.13.02 A

2918.13.90 A 2918.13.30 A 2918.13.03 A

2918.13.50 A 2918.13.04 A

2918.13.99 C

North American Free Trade Agreement, 1992 Oct. 7 Tariff Phasing Descriptions · 第 248 / 531 题