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Harmonized System
Section VI > Chapter 31 > Heading 3104 > 3104.30
… Potassium sulphate …
Section VI > Chapter 29 > Heading 2935 > 2935.10
… N-Methylperfluorooctane sulphonamide …
Section VI > Chapter 29 > Heading 2935 > 2935.20
… N-Ethylperfluorooctane sulphonamide …
Section VI > Chapter 38 > Heading 3801 > 3801.10
… Artificial graphite …
Section VI > Chapter 28 > Heading 2830 > 2830.10
… Sodium sulphides …
Section VI > Chapter 28 > Heading 2832 > 2832.10
… Sodium sulphites …
Section VI > Chapter 28 > Heading 2832 > 2832.20
… Other sulphites …
Section VI > Chapter 28 > Heading 2833 > 2833.1
… Sodium sulphates …
Section VI > Chapter 28 > Heading 2833 > 2833.2
… Other sulphates …