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Bergwerksverband GmbH
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Bergwerksverband GmbH
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C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
C10L9/00—Treating solid fuels to improve their combustion
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FR1048903D1950-12-071951-11-06Procédé de préparation de combustibles de qualité, à partir d'un produit brut contenant du charbon ou du lignite
ExpiredFR1048903A
(fr)