Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
NORM herausgegeben am 1.3.2002
Designation standards: STN EN 331
Classification mark: 134120
Catalog number: 83828
Note: UNGÜLTIG
Publication date standards: 1.3.2002
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN