Electric engineering regulations. Regulations for electrical installations in atmospheres with risk of explosions of flammable dusts
NORM herausgegeben am 1.4.1979
Designation standards: STN 332330
Classification mark: 332330
Catalog number: 57720
Note: UNGÜLTIG
Publication date standards: 1.4.1979
Approximate weight : 18 g (0.04 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN