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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
D01C3/00—Treatment of animal material, e.g. chemical scouring of wool
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FR792012D1934-07-041935-07-03Procédé pour mordancer des fibres animales, en particulier des poils pour la fabrication du feutre
ExpiredFR792012A
(fr)
Procédé de secrétage de fibres animales, plus spécialement de poils, pour la fabrication du feutre, en particulier la fabrication du feutre pour chapeaux