Jewellery. Colours of gold alloys. Definition, range of colours and designation.
NORM herausgegeben am 26.3.2018
Designation standards: BS EN ISO 8654:2018
Note: UNGÜLTIG
Publication date standards: 26.3.2018
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard