The tariff classification of "Demnum" also known astrifluoro (trifluoromethyl) oxirane, homopolymer, aperfluoroether oil from Japan.

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CBP Ruling 859088 (:3907200000): The tariff classification of "Demnum" also known astrifluoro (trifluoromethyl) oxirane, homopolymer, aperfluoroether oil from Japan.

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