Chemical equipment. Flat welding flanges with jacket ring intended for pressure vessels with internal guiding diameter, made of steel of grade 17
NORM herausgegeben am 1.6.1967
Designation standards: STN 690635
Classification mark: 690635
Catalog number: 67692
Note: UNGÜLTIG
Publication date standards: 1.6.1967
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN