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D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
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Textile Engineering
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FR572566D1923-09-031923-09-03Procédé et dispositifs pour le nettoyage et la séparation par voie pneumatique des matières textiles, ou autres
ExpiredFR572566A
(fr)