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Publication of FR418403ApublicationCriticalpatent/FR418403A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21L—MAKING METAL CHAINS
B21L11/00—Making chains or chain links of special shape
B21L11/005—Making ornamental chains
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR418403D1910-07-201910-07-20Procédé et dispositif pour fabriquer en fil métallique massif des chainesforcat soudées pour bijouterie
ExpiredFR418403A
(fr)