FR846016A - Procédé et dispositif pour le faconnage à chaud de tôles, notamment de tôles enalliages de magnésium pour la construction d'avions
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Procédé et dispositif pour le faconnage à chaud de tôles, notamment de tôles enalliages de magnésium pour la construction d'avions
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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
B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
B21D11/20—Bending sheet metal, not otherwise provided for
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FR846016D1937-11-201938-11-15Procédé et dispositif pour le faconnage à chaud de tôles, notamment de tôles enalliages de magnésium pour la construction d'avions
ExpiredFR846016A
(fr)