2912.12 Ethanal (acetaldehyde) 2912.12.00 A 2912.12.00 A 2912.12.01 D

2912.13 Butanal (butyraldehyde, normal isomer) 2912.13.00 A 2912.13.00 A 2912.13.01 C

2912.19 Acyclic aldehydes w/out other oxygen function, nes 2912.19.10 D 2912.19.10 A 2912.19.01 A

2912.19.90 A 2912.19.20 A 2912.19.02 A

2912.19.30 A 2912.19.03 A

2912.19.40 A 2912.19.04 A

2912.19.50 A 2912.19.05 A

2912.19.06 A

2912.19.07 A

2912.19.08 A

2912.19.09 A

2912.19.10 A

2912.19.11 A

2912.19.99 A

North American Free Trade Agreement, 1992 Oct. 7 Tariff Phasing Descriptions · 第 226 / 531 题