DIN EN ISO 6507-4:2018-07 Metallic materials - Vickers hardness test - Part 4: Tables of hardness values (ISO 6507-4:2018); German version EN ISO 6507-4:2018
2018DIN EN ISO 6507-4:2018-07 Metallic materials - Vickers hardness test - Part 4: Tables of hardness values (ISO 6507-4:2018); German version EN ISO 6507-4:2018
2018DIN EN ISO 6507-4:2018 Metallic materials - Vickers hardness test - Part 4: Tables of hardness values (ISO 6507-4:2018); German version EN ISO 6507-4:2018
2006DIN EN ISO 6507-4:2006 Metallic materials - Vickers hardness test - Part 4: Tables of hardness values (ISO 6507-4:2005); English version of DIN EN ISO 6507-4:2006-03