
Metallic materials. Vickers hardnesstest. Part 2: Verification and calibrationof testing machines (ISO 6507-2:2018).
出版:Asociacion Espanola de Normalizacion

专家解读视频
EN ISO 6507-2 : 2018 - Identical
ISO 6507-2 : 2018 - Identical
ISO 6507-2 : 2018 - Identical
EN ISO 6507-2 : 2018 - Identical