Gold-silver-copper alloy Au58,5 Ag5 Cu (purity 585/1000)
NORM herausgegeben am 25.8.1976
Designation standards: ČSN 423840
Classification mark: 423840
Catalog number: 3890
Publication date standards: 25.8.1976
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN