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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
C10M175/0008—Working-up used lubricants to recover useful products ; Cleaning with the use of adsorbentia
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FR749731D1932-04-151932-04-15Perfectionnements aux procédés d'épuration des huiles de graissage usagées ou à l'épuration des huiles neuves
ExpiredFR749731A
(fr)