Jewellery and precious metals - Fineness of solders used with precious metal jewellery alloys
NORM herausgegeben am 1.12.2021
Designation standards: ČSN ISO 22764
Classification mark: 421669
Catalog number: 513757
Note: UNGÜLTIG
Publication date standards: 1.12.2021
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN