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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
B21D7/00—Bending rods, profiles, or tubes
B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
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FR530899D1920-08-251920-08-25Appareil pour le cintrage des gaines et tubes métalliques notamment des gaines isolantes employées en électricité
ExpiredFR530899A
(fr)