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D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
D01D5/00—Formation of filaments, threads, or the like
D01D5/04—Dry spinning methods
FR719146D1930-07-031931-06-25Procédé et appareil pour la fabrication de pellicules et de fils d'éthers cellulosiques et matières analogues
ExpiredFR719146A
(fr)
Procédé et appareil pour la fabrication de filaments artificiels, fils rubans, etc., par l'extrudage de solutions d'esters ou d'éthers de cellulose