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DIN EN ISO 6520-1:2007
Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding (ISO 6520-1:2007); Trilingual version EN ISO 6520-1:2007
This standard will serve as the basis for a precise classification and description of weld imperfections. Metallurgical imperfections are not included.
Deutsches Institut für Normung [din]