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ČSN is a protected designation of Czech national technical standards.
WITHDRAWN published on 16.11.1985
Selected format:Ventilation for buildings - Ductwork - Dimensions of circular flanges for general ventilation
Standard published on 1.3.1999
Selected format:Ventilation for buildings - Sheet metal air ducts with rectangular section - Requirements for strength and leakage
Standard published on 1.9.2006
Selected format:Ventilation for buildings - Ductwork - Measurement of ductwork surface area
Standard published on 1.8.2004
Selected format:Ventilation for Buildings - Ductwork - Requirements for ductwork components to facilitate maintenance of ductwork systems
Standard published on 1.2.2024
Selected format:Ventilation for Buildings - Ductwork - Requirements for ductwork components to facilitate maintenance of ductwork systems
WITHDRAWN published on 1.3.2007
Selected format:Ventilation for buildings - Ductwork - Non-metallic ductwork - Requirements and test methods
Standard published on 1.2.2022
Selected format:Ventilation for buildings - Ductwork - Non-metallic ductwork - Requirements and test methods
WITHDRAWN published on 1.9.2019
Selected format:Ventilation for buildings - Non-metallic ducts - Ductwork made from insulation ductboards
Standard published on 1.11.2003
Selected format:Ventilation for buildings - Ductwork hangers and supports - Requirements for strength
Standard published on 1.8.2002
Selected format:Latest update: 2026-06-25 (Number of items: 2 284 379)
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