
Flanged and butt-welding end steel plug valves for the petroleum industry.
NORM herausgegeben am 20.12.1949
Designation standards: BS 1570:1949
Note: UNGÜLTIG
Publication date standards: 20.12.1949
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS