Earthing of power installations exceeding 1 kV a.c.
NORM herausgegeben am 1.12.2011
Designation standards: ČSN EN 50522
Classification mark: 333201
Catalog number: 88607
Note: UNGÜLTIG
Publication date standards: 1.12.2011
The number of pages: 60
Approximate weight : 180 g (0.40 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN