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D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
D01C1/00—Treatment of vegetable material
D01C1/02—Treatment of vegetable material by chemical methods to obtain bast fibres
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Chemical Or Physical Treatment Of Fibers
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FR721780D1931-08-191931-08-19Procédé pour obtenir des fibres propres au filage à l'aide de tiges de plantes non rouies et produit en résultant
ExpiredFR721780A
(fr)
Procédé et machine pour traiter mécaniquement les tiges de lin ou similaire pour la production d'une masse nettoyée de fibres de lin ou similaire de longueur définie
Procédé de fabrication de fils artificiels, films et autres produits par le filage au mouillé à l'aide de solutions d'esters ou d'éthers cellulosiques