Electric-engineering rules. Three-phase switchyards for voltage to 52 kV
NORM herausgegeben am 9.4.1983
Designation standards: ČSN 333231
Classification mark: 333231
Catalog number: 23379
Note: UNGÜLTIG
Publication date standards: 9.4.1983
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN