Earthing of mine electrical equipment. Technical requirements and methods of checking
NORM herausgegeben am 1.5.1989
Designation standards: STN 341420
Classification mark: 341420
Catalog number: 57857
Publication date standards: 1.5.1989
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN