Positive-displacement vacuum pumps. Method of measurement of volume rate of flow (pumping speed).
NORM herausgegeben am 28.11.1980
Designation standards: BS 5719-1:1980
Note: UNGÜLTIG
Publication date standards: 28.11.1980
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS