9031.30 Profile projectors, nes 9031.30.00 A 9031.30.00 A 9031.30.01 A

9031.40 Optical instruments and appliances, nes 9031.40.00 A 9031.40.00 A 9031.40.01 A

9031.40.99 A

9031.80 Measuring or checking instruments, appliances and machines, ne 9031.80.10 A 9031.80.00 A 9031.80.01 A

9031.80.20 A 9031.80.02 A

9031.80.91 D 9031.80.03 A

9031.80.99 A 9031.80.04 A

9031.80.05 A

9031.80.99 A

9031.90 Parts and accessories for measuring or checking inst, appl and 9031.90.10 A 9031.90.20 A 9031.90.01 A

9031.90.20 D 9031.90.40 A 9031.90.99 A

9031.90.30 A 9031.90.60 A

9031.90.40 A

9031.90.50 A

9032.10 Thermostats 9032.10.10 B 9032.10.00 A 9032.10.01 A

9032.10.90 B 9032.10.02 C

9032.10.03 C

9032.10.04 C

9032.10.05 C

9032.10.06 C

9032.10.99 C

North American Free Trade Agreement, 1992 Oct. 7 Tariff Phasing Descriptions · 第 504 / 531 题