2018DIN EN ISO 6507-2:2018-07 Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines (ISO 6507-2:2018); German version EN ISO 6507-2:2018
2018DIN EN ISO 6507-2:2018 Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines (ISO 6507-2:2018)
2013DIN EN ISO 6507-2:2013 Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines (ISO 6507-2:2005); German version EN ISO 6507-2:2005
2006DIN EN ISO 6507-2:2006 Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines (ISO 6507-2:2005); English version of DIN EN ISO 6507-2:2006-03
1998DIN EN ISO 6507-2:1998 Metallic materials Hardness test according to Vickers Part 2: Testing the testing machines