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Individual
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Individual
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Priority to ES7451ApriorityCriticalpatent/ES7451A1/es
Publication of ES7451A1publicationCriticalpatent/ES7451A1/es
Un procedimiento para la desfibración y limpia de cualesquiera materias vegetales aplicables a la fabricación de papel, cartón, hilos, estopas y otros artículos análogos.
Perfeccionamientos introducidos en el procedimiento para el blanqueo de las materias textiles en general y de las pastas de papel cualquiera que sea la sustancia originaria.