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Publication of BE600978ApublicationCriticalpatent/BE600978A/fr
C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
C10G19/00—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment
C10G19/08—Recovery of used refining agents
BE600978A1959-10-291961-03-06Nouvel élément optique et procédé et appareil pour sa fabrication
BE600978A
(fr)