Metallic materials — Knoop hardness test — Part 2: Verification and calibration of testing machines
Matériaux métalliques — Essai de dureté Knoop — Partie 2: Vérification et étalonnage des machines d'essai
77.040.10 - Mechanical testing of metals.
Anula a: ISO 4546:1993
Es anulada por: ISO 4545-2:2017
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