
Jewellery - Colours of gold alloys - Definition, range of colours and designation - Amendment 1 (ISO 8654:2018/Amd 1:2019)
STANDARD published on 4.11.2020
Designation standards: UNE-EN ISO 8654:2018/A1:2020
Note: Change
Publication date standards: 4.11.2020
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Spanish technical standard
Category: Technical standards UNE