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Publication of BE468125ApublicationCriticalpatent/BE468125A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
Procédé et appareil pour fabriquer des objects creux de différentes dimensions par enroulement d'un ruban de matière en feuille sur un mandrin rotatif.