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ES81178A1922-03-241922-03-24Un procedimiento para la gasificación absoluta de combustibles bituminosos en generadores en funcionamiento variable.
ExpiredES81178A1
(es)
Procedimiento para extraer, de los combustibles bituminosos, un alquitrán apropiado para aglutinante en la fabricación de aglomerados y aprovechamiento de los correspondientes residuos.