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Publication of FR38921EpublicationCriticalpatent/FR38921E/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
B23D35/00—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
B23D35/001—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools cutting members
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FR38921D1930-08-061930-08-06Dispositif pour le découpage des tôles par poinçonnage
ExpiredFR38921E
(fr)
Perfectionnements aux machines de comptabilité et plus particulièrement aux machines de poinconnage comportant un mécanisme compteur et un dispositif de poinconnage commandé par le compteur pour la perforation des totaux