DIN EN ISO 6508-3:2022-12
Metallic materials - Rockwell hardness test - Part 3: Calibration of reference blocks (ISO/DIS 6508-3:2022); German and English version prEN ISO 6508-3:2022 / Note: Date of issue 2022-11-18*Intended as replacement for DIN EN ISO 6508-3 (2015-06).