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ES1877005713A1877-08-231877-08-23Sistema para la fabricacion y aglomeracion de los residuos de carbones minerales y vegetales convertidos en tablillas
ExpiredES5713H1
(es)
Procédé de transformation en huile légère des huiles lourdes provenant de la carbonisation des lignites, tourbes, charbons et schistes, ainsi que des huiles lourdes d'origine minérale et végétale
Procédé de transformation en huile légère des huiles lourdes provenant de la carbonisation des lignites, tourbes, charbons et schistes, ainsi que des huiles lourdes dorigine minérale et végétale