
Anodizing of aluminium and its alloys - Measurement of abrasion resistance of anodic oxidation coatings (ISO 8251:2018); German version EN ISO 8251:2018
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
EN ISO 8251 : 2011 - Identical
ISO 8251 : 2018 - Identical
EN ISO 8251:2018 - Identical
ISO 8251 : 2018 - Identical
EN ISO 8251 : 2011 - Identical
EN ISO 8251:2018 - Identical