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Specification for airbricks and gratings for wall ventilation.
Translate name
STANDARD published on 14.12.1970
Designation standards: BS 493:1967
Note: WITHDRAWN
Publication date standards: 14.12.1970
SKU: NS-957944
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS
Latest update: 2026-03-30 (Number of items: 2 269 988)
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