Orifices with ring chamber tapping for nominal diameter from 50 up to 400 and nominal pressure up to 100
NORM herausgegeben am 1.10.1959
Designation standards: STN 257750
Classification mark: 257750
Catalog number: 56331
Note: UNGÜLTIG
Publication date standards: 1.10.1959
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN