c li 7307.92.3030 8547.90.0020 ll 8547.90.0020 A 18 7304.51 7304.51 A 19,20 7304.59 7304.59 A 21A , 21B 7306.50 7306.50 \ A 22A , 22B 7307.22.1000 7307.22.10 S 21C 7304.41 7304.41 S 21D 7304.49 7304.49 S || 7306.40 7306.40