
Metallic Materials - Knoop Hardness Test - Part 2: Verification And Calibration Of Testing Machines (Iso 4545-2:2017)
出版:Polish Committee for Standardization

专家解读视频
2018 [24/04/2018]SEP 2006 [15/09/2006]MAR 2006 [15/03/2006]
ISO 4545-2 : 2005 - Identical
EN ISO 4545-2 : 2018 - Identical
EN ISO 4545-2 : 2018 - Identical
ISO 4545-2 : 2017 - Identical
EN ISO 4545-2:2018 - Identical