
Methods of test for air filters used in air conditioning and general ventilation.
NORM herausgegeben am 7.2.1957
Designation standards: BS 2831:1957
Note: UNGÜLTIG
Publication date standards: 7.2.1957
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: British technical standard
Kategorie: Technische Normen BS