Material measures of time and frequency. Secondary standards. Metrological requirements
NORM herausgegeben am 6.5.1991
Designation standards: ČSN 356415
Classification mark: 356415
Catalog number: 23746
Note: UNGÜLTIG
Publication date standards: 6.5.1991
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN