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Individual
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Priority to ES1846000299ApriorityCriticalpatent/ES299H1/es
Publication of ES299H1publicationCriticalpatent/ES299H1/es
Un producto industrial consistente en un fieltro de fibrillas extraídas de las hojas y los tallos de la cebolla constituyendo un simple fieltro aplicable a la obtención de pasta de papel, papel cartón, cartulina y vitelas, ya definitivamente dicha pasta d