Vapour vacuum pumps. Method of measurement of volume rate flow ( pumping speed).
NORMA vydána dne 31.10.1980
Designation standards: BS 5758-1:1980
Note: NEPLATNÁ
Publication date standards: 31.10.1980
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS