Common metals and their alloys, unwrought or semi-wrought; ferroalloys; ores of metal
Class 037
Construction and Repair Services
Drilling of wells; drilling of oil wells; drilling of gas wells; oil drilling; mining extraction; mining services
Class 040
Treatment & Processing of Materials Services
Treatment of materials; processing and treatment of ores and metals; processing and refining of oil and gas; processes associated with extraction of metals from minerals
Class 042
Computer & Software Services & Scientific Services
Gas, oil, petroleum, minerals and coal exploration, exploration of oilfields and gas fields, drilling of wells (geological prospecting), oil and gas prospecting; oil-field exploitation, oil-field surveys, oil well testing; mining, coal, ore and metals prospecting and mine exploitation
