DS EN ISO 4545-4:2018现行
Metallic Materials - Knoop Hardness Test - Part 4: Table Of Hardness Values (Iso 4545-4:2017)
出版：Danish Standards
专家解读视频
2018 [15/02/2018]2006 [30/01/2006]
2006 Edition is still active and will be withdrawn on 31/08/2018. (03/2018)
EN ISO 4545-4:2018 - Identical
EN ISO 4545-4 : 2018 - Identical
ISO 4545-4 : 2017 - Identical
ISO 4545-4 : 2005 - Identical
EN ISO 4545-4 : 2018 - Identical
ISO 4545-4 : 2017 - Identical
