
Metallic materials - Vickers hardness test - Part 4: Tables of hardness values (ISO 6507-4:2018); German version EN ISO 6507-4:2018
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
ISO 6507-4 : 2018 - Identical
EN ISO 6507-4 : 2018 - Identical
EN ISO 6507-4 : 2018 - Identical
ISO 6507-4 : 2018 - Identical