Quality requirements for fusion welding of metallic materials — Part 4: Elementary quality requirements
Exigences de qualité en soudage par fusion des matériaux métalliques — Partie 4: Exigences de qualité élémentaire
25.160.01 - Welding, brazing and soldering in general. Including welders' qualifications
Anula a: ISO 3834-4:2005
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