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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.