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Abstract
Un tubo bobinador de hilo para máquinas de coser, que se caracteriza por estar formado de un tubo cilíndrico, de pasta plástica, el cual tiene un extremo seccionado simplemente, pero el opuesto forma un reborde prominente en ángulo recto, que ensancha el diámetro del conjunto hasta el doble de su diámetro primitivo.
ES0034964U1953-02-241953-02-24Un tubo bobinador de hilo para máquinas de coser
PendingES34964U
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