Classe 1
Chemicals used in industry, miningchemicals for use in the production and / or processing of metalsdry ash reagents for use in scientific apparatus for chemical analysisdolomite for industrial useindustrial minerals
Classe 6
Common metals and their alloysmetal ores, including raw or processed oreschrome ores and its alloysmanganese ores and its alloysferroalloys, including ferrochromium, ferrosilicon, ferrosilicochromium, silicomanganese and ferromanganese
Classe 40
Treatment and transformation of materialstreatment of materialsprocessing of ores and common metals and their alloysmetal processing, including refining and finishingprocessing servicesenergy productionprocessing of ferroalloys, ferrochrome, manganese, silicon, chrome ore, manganese ore, limestone, dolomite and construction gravel, coal, coke, semi-coketreatment and processing of ferroalloys, ferrochrome, ferromanganese, ferrosilicochromium, ferrosilicomanganese, ferrosilicon, chromium ore and manganese oreprocesses associated with the extraction of metals from mineralsinformation, consulting and information services related to the above services