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A procedure that allows the obtaining of essences of light oil by simultaneous hydrogenation of heavy oils of Petroleum within a heated by Induction of a solenoidHigh Powered Circuit oscillations of 50Hz frequ
A procedure that allows the obtaining of essences of light oil by simultaneous hydrogenation of heavy oils of Petroleum within a heated by Induction of a solenoidHigh Powered Circuit oscillations of 50Hz frequ