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ČSN is a protected designation of Czech national technical standards.
Methods of measurement and rating of noise from air engineering equipment. General specifications
Standard published on 10.5.1991
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WITHDRAWN published on 30.11.1981
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WITHDRAWN published on 30.11.1981
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WITHDRAWN published on 16.2.1989
Selected format:Ventilation for buildings - Sheet metal air ducts and fittings with rectangular cross section - Dimensions
Standard published on 1.3.1999
Selected format:Ventilation for buildings - Sheet metal air ducts and fittings with circular cross-section - Dimensions
Standard published on 1.1.2008
Selected format:Ventilation for buildings - Sheet metal air ducts and fittings with circular cross section - Dimensions
WITHDRAWN published on 1.3.1999
Selected format:Ventilation for buildings - Ductwork - Dimensions and mechanical requirements for flexible ducts
Standard published on 1.6.2002
Selected format:Ventilation for buildings - Ductwork - Strength and leakage of circular sheet metal ducts
Standard published on 1.10.2003
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WITHDRAWN published on 16.11.1985
Selected format:Latest update: 2026-06-25 (Number of items: 2 284 379)
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