Explanatory notes
… 38.27 - Mixtures containing halogenated derivatives of … containing 1,1,1-trichloroethane (methyl chloroform) : 3827.11 - - Containing chlorofluorocarbons (CFCs), whether … perfluorocarbons (PFCs) or hydrofluorocarbons (HFCs) 3827.12 - - Containing hydrobromofluorocarbons (HBFCs) …