3815199015 - Catalyst, in the form of a powder, consisting of a mixture of metal oxides fixed on a support of silicon dioxide, containing by weight 20|% or more but not more than 40|% of molybdenum, bismuth and iron evaluated together, for use in the manufacture of acrylonitrile Harmonized System Codes, Taric Code, HS Code, HTS Code, Harmonized Commodity Description, Commodity Codes, Classification of goods, Tariff Nomenclature, Customs Tariff Number, Tariff Classification.