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Priority to ES62848ApriorityCriticalpatent/ES62848A1/es
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ES62848A1916-08-241916-08-24Un resultado industrial consistente en carbón artificial que sustituye ventajosamente al carbón vegetal y mineral.
ExpiredES62848A1
(es)
Un producto industrial mediante el cual se aumenta el poder calorífico de toda clase de carbones minerales y vegetales y transforma en excelentes los defectuosos; que denomino comburente industrial de carbones.