
Specification for pipe threads for tubes and fittings where pressure-tight joints are made on the threads.
NORM herausgegeben am 31.12.1973
Designation standards: BS 21:1973
Note: UNGÜLTIG
Publication date standards: 31.12.1973
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS