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Ventilation for buildings - Ductwork - Dimensions of circular flanges for general ventilation
STANDARD published on 1.3.1999
Designation standards: ČSN EN 12220
Classification mark: 120506
Catalog number: 55286
Publication date standards: 1.3.1999
SKU: NS-139742
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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