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B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21L—MAKING METAL CHAINS
B21L5/00—Making chains or chain links by working the starting material in such a way that integral, i.e. jointless, chains links are formed
B21L5/02—Making chains or chain links by working the starting material in such a way that integral, i.e. jointless, chains links are formed in such a way that interconnected links are formed
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FR353046D1904-04-111905-04-05Machine pour la fabrication des chaines sans soudure avec des barres en acier ou autre métal
ExpiredFR353046A
(fr)