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C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
FR808416D1935-07-221936-07-22
Process, installation and device for the distillation, refining and purification of mineral, vegetable, tar, etc. oils.
ExpiredFR808416A
(en)