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B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21F—WORKING OR PROCESSING OF METAL WIRE
B21F25/00—Making barbed wire
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FR1112876D1954-09-301954-09-30Procédé de fabrication d'éléments bifilaires de support d'objets divers et machine pour la mise en oeuvre de ce procédé
ExpiredFR1112876A
(fr)