Explosive atmospheres.Part 25:Intrinsically safe electrical systems
NORM herausgegeben am 1.7.2011
Designation standards: STN EN 60079-25
Classification mark: 332320
Catalog number: 113018
Note: UNGÜLTIG
Publication date standards: 1.7.2011
Approximate weight : 57 g (0.13 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN