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Publication of FR1118939ApublicationCriticalpatent/FR1118939A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D7/00—Bending rods, profiles, or tubes
B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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FR1118939D1955-01-281955-01-28Dispositif de serrage et de desserrage automatiques adaptable aux machines à cintrer les tubes et profilés
ExpiredFR1118939A
(fr)