BS 4979-2:1974

Methods for testing and rating air control devices for air distribution systems. Aerodynamic testing of variable flow rate assemblies without a heat exchanger.

NORMA vydána dne 22.7.1974

The information about the standard:

Designation standards: BS 4979-2:1974
Note: NEPLATNÁ
Publication date standards: 22.7.1974
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS