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Priority to FR869794ApriorityCriticalpatent/FR1303581A/en
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Publication of FR1303581ApublicationCriticalpatent/FR1303581A/en
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
B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
B21D13/02—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by pressing
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Engineering & Computer Science
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Mechanical Engineering
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FR869794A1961-08-021961-08-02
Method of manufacturing construction elements and equipment allowing the implementation of such a method
ExpiredFR1303581A
(en)