Graphical symbols. Construction elements of vacuum equipment
NORM herausgegeben am 1.12.1981
Designation standards: STN 013622
Classification mark: 013622
Catalog number: 50396
Note: UNGÜLTIG
Publication date standards: 1.12.1981
Approximate weight : 18 g (0.04 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN