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STN is a protected designation of Slovak national technical standards.
Ventilation for buildings. Sheet metal air ducts and fittings with circular cross-section. Dimensions
Standard published on 1.12.2007
Selected format:Ventilation for buildings. Sheet metal air ducts and fittings with circular cross-section. Dimensions
WITHDRAWN published on 1.10.2000
Selected format:Ventilation for buildings. Ductwork. Dimensions and mechanical requirements for flexible ducts
Standard published on 1.4.2003
Selected format:Ventilation for buildings. Fire precautions for air distribution systems in buildings
Standard published on 1.11.2008
Selected format:Ventilation for buildings.Fire dampers
Standard published on 1.5.2011
Selected format:Ventilation for buildings - Fire dampers
WITHDRAWN published on 1.11.2010
Selected format:Connecting dimensions of air engineering equipment connections. Circular flanges
WITHDRAWN published on 1.11.1985
Selected format:Connecting dimensions of air engineering equipment connections. Rectangular flanges
WITHDRAWN published on 1.11.1985
Selected format:Ventilation for buildings. Ductwork. Dimensions of circular flanges for general ventilation
Standard published on 1.10.2000
Selected format:Ventilation for buildings.Ducts and ductwork components, leakage classification and testing
Standard published on 1.2.2011
Selected format:Latest update: 2026-11-02 (Number of items: 2 209 038)
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