
Clean rooms and clean workplaces with checked dust-free environment. Terminology and definitions. Classification of cleanness classes
NORM herausgegeben am 1.10.1984
Designation standards: STN 125310
Classification mark: 125310
Catalog number: 52986
Note: UNGÜLTIG
Publication date standards: 1.10.1984
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN