AGROVOC Thesaurus FAO agro 2001-05-23 2014-09-04 16:23:58 pt Hidrocarboneto halogenadoClorofluorocarbonoHalocarbonetoHidrocarboneto cloradoHidrocarboneto fluorado Halogenated hydrocarbons Hidrocarburos halogenados Hydrocarbure halogène 1998-08-04 00:00:001998-08-04 16:33:00