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Individual
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Individual
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Priority to FR7246269ApriorityCriticalpatent/FR2210453B1/fr
Publication of FR2210453A1publicationCriticalpatent/FR2210453A1/fr
Application grantedgrantedCritical
Publication of FR2210453B1publicationCriticalpatent/FR2210453B1/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
B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling