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D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
D05C11/16—Arrangements for repeating thread patterns or for changing threads
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FR720190D1931-07-201931-07-20Procédé et dispositif pour broder alternativement avec des fils de couleurs ou de natures différentes
ExpiredFR720190A
(fr)
Méthode et appareils pour la reproduction manuelle, mathématiquement exacte, de tableaux quelconques, dessins ou graphiques, au moyen de couleurs, d'éléments coloriés quelconques ou de fils en général