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Individual
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Individual
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Priority to ES21970ApriorityCriticalpatent/ES21970A1/es
Publication of ES21970A1publicationCriticalpatent/ES21970A1/es
Un procedimiento para el tratamiento de los subproductos de las fábricas de azúcar, destilerías, aguas del desengrasado de las lanas y otros subproductos análogos al objeto de recuperar la materia orgánica azoada y separar de ellos las sales alcalinas que