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Methods for testing and rating air control devices for air distribution systems. Aerodynamic testing of constant flow rate assemblies without a heat exchanger.
Translate name
STANDARD published on 29.8.1975
Designation standards: BS 4979-1:1973
Note: WITHDRAWN
Publication date standards: 29.8.1975
SKU: NS-957964
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS
Latest update: 2026-06-30 (Number of items: 2 284 675)
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