產品的化學或有關工業, 29 Organic chemicals, 29.03 -halogenated derivatives of hydrocarbons:, 29.03.2 -halogenated derivatives of hydrocarbons: --unsaturated chlorinated derivatives of acyclic hydrocarbons, 29.03.22.00.000.J -halogenated derivatives of hydrocarbons: --unsaturated chlorinated derivatives of acyclic hydrocarbons ---trichloroethylene, 業務, 業務

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海關術語
產品的化學或有關工業
29 Organic chemicals
29.03 -halogenated derivatives of hydrocarbons:
29.03.2 -halogenated derivatives of hydrocarbons: --unsaturated chlorinated derivatives of acyclic hydrocarbons
29.03.22.00.000.J -halogenated derivatives of hydrocarbons: --unsaturated chlorinated derivatives of acyclic hydrocarbons ---trichloroethylene