
ANODIZING OF ALUMINIUM AND ITS ALLOYS - ASSESSMENT OF QUALITY OF SEALED ANODIC OXIDATION COATINGS BY MEASUREMENT OF ADMITTANCE (ISO 2931:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
ISO 2931 : 2017 - Identical
EN ISO 2931 : 2018 - Identical
EN ISO 2931 : 2018 - Identical
ISO 2931 : 2017 - Identical