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Application filed by Burn & Co Ltd JamesfiledCriticalBurn & Co Ltd James
Publication of CH274865ApublicationCriticalpatent/CH274865A/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
B21D53/36—Making other particular articles clips, clamps, or like fastening or attaching devices, e.g. for electric installation
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Manufacturing & Machinery
(AREA)
CH274865D1948-10-071948-10-21Procédé de fabrication d'un dispositif de reliure à anneaux et appareil pour la mise en oeuvre de ce procédé.
CH274865A
(fr)