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Publication of FR690070ApublicationCriticalpatent/FR690070A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
B21B45/004—Heating the product
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FR690070D1929-10-191930-02-15Procédé de laminage ou d'étirage et machine pour la mise en oeuvre de ce procédé
ExpiredFR690070A
(fr)