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Le Brun Leon
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Le Brun Leon
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Priority to ES16704ApriorityCriticalpatent/ES16704A1/en
Publication of ES16704A1publicationCriticalpatent/ES16704A1/en
A new industrial procedure that aims to manufacture tannic extracts with all kinds of wood or vegetable materials that contain tannin and to produce cellulose or chemical wood pulp for paper with their residues.