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Publication of FR462922ApublicationCriticalpatent/FR462922A/fr
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
B21D53/00—Making other particular articles
B21D53/46—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples
B21D53/48—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples buttons, e.g. press-buttons, snap fasteners
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR462922D1913-08-111913-08-11Appareil pour fabriquer les boutons de pression
ExpiredFR462922A
(fr)