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Publication of FR790071ApublicationCriticalpatent/FR790071A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21L—MAKING METAL CHAINS
B21L1/00—Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape
B21L1/02—Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape by bending the ends of the workpieces to abut
B—PERFORMING OPERATIONS; TRANSPORTING
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21L—MAKING METAL CHAINS
B21L3/00—Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends
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Mechanical Engineering
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FR790071D1934-08-131934-08-13Perfectionnements à la fabrication des maillons de chaîne
ExpiredFR790071A
(fr)