Jewellery and precious metals - Grading polished diamonds - Terminology, classification and test methods (ISO 24016:2020, including corrected version 2024-03) (Endorsed by Asociación Espanola de Normalización in May of 2026.)
NORMA vydána dne 1.5.2026
Designation standards: UNE-EN ISO 24016:2026
Publication date standards: 1.5.2026
The number of pages: 58
Approximate weight : 174 g (0.38 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE