DIN EN ISO 7668:2018-07
Отменен
Anodizing of aluminium and its alloys - Measurement of specular reflectance and specular gloss of anodic oxidation coatings at angles of 20 degrees, 45 degrees, 60 degrees or 85 degrees (ISO 7668:2018); German version EN ISO 7668:2018
— 23 стр.
