79166833
Dec 15, 2014
Dec 8, 2015
Industrial oils, crude oil, diesel oil, petroleum ether, raw petroleum and refined petroleum; natural and synthetic fuel gases, coal, coke, coal naphtha and coal tar oil
Lubricants and FuelsDrilling of wells; drilling of oil wells; drilling of gas wells; oil drilling; mining extraction; advice and consultation regarding the drilling of well, drilling of oil wells, drilling of gas wells, oil drilling and mining extraction
Building Construction and RepairTreatment of common metals, treatment of precious metals, treatment of metallic ores, treatment of petroleum, treatment of gas, treatment of coal, treatment of industrial oils, treatment of crude oil, treatment of metal alloys and treatment of chemicals; separating and fractioning liquids for natural gas; liquefaction of natural gas; technical consulting in the field of treatment of materials, mining, oil exploration, gas exploration, processing of ores and metals, treatment of ores and metals, processing of petroleum, treatment of petroleum, processing of coal, treatment of coal, processing of industrial oils, treatment of industrial oils, processing of crude oil, treatment of crude oil, processing of metal alloys, treatment of metal alloys, processing of chemicals and treatment of chemicals; processing and refining of oil and gas
Treatment of MaterialsGas, oil, petroleum, minerals and coal exploration, exploration of oilfields and gas fields, drilling of wells for geological prospecting, oil and gas prospecting; oil-field exploitation as exploration, oil-field surveys, oil well testing; mining, coal, ore and metals prospecting and mine exploitation, namely, exploration, research, analysis, testing and surveying
Computer and Scientific