
Methods for testing and rating air control devices for air distribution systems. Aerodynamic testing of constant flow rate assemblies without a heat exchanger.
NORM herausgegeben am 29.8.1975
Designation standards: BS 4979-1:1973
Note: UNGÜLTIG
Publication date standards: 29.8.1975
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS