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Publication of FR660166ApublicationCriticalpatent/FR660166A/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
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FR660166D1927-09-301928-09-11Procédé pour fabriquer des têtes dépourvues de garniture métallique pour des boutons-pression ou des objets analogues
ExpiredFR660166A
(fr)