Approval testing of welders — Fusion welding — Part 4: Nickel and nickel alloys
Épreuve de qualification des soudeurs — Soudage par fusion — Partie 4: Nickel et ses alliages
25.160.01 - Welding, brazing and soldering in general. Including welders' qualifications
Será anulada por: ISO/CD 9606
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Ingles / Frances