8-digit tariff line
Listed from Nov 18, 2019
2917.39.04
1,2,4-Benzenetricarboxylic acid, 1,2-dianhydride (Trimellitic anhydride); Phthalic acid; and 4-Sulfo-1,8-naphthalic anhydride
1 immediate child · 1 terminal code
Children of 2917.39.04
10-digit statistical reporting numbers
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