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D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
D01F4/00—Monocomponent artificial filaments or the like of proteins; Manufacture thereof
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FR890891D1941-10-311943-02-12Procédé pour la production de fibres textiles de substances azotées animales mélangées avec des viscoses végétales
ExpiredFR890891A
(fr)
Procédé de fabrication d'objets synthêtiques colorés, et plus spécialement de fils ou de fibres tirés de substances albumineuses végétales ou animales