Direct acting indicating analogue electrical measuring instruments and their accessories. Part 4: Special requirements for frequency meters
NORM herausgegeben am 1.8.1992
Designation standards: ČSN IEC 51-4
Classification mark: 356203
Catalog number: 23737
Note: UNGÜLTIG
Publication date standards: 1.8.1992
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN