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STN is a protected designation of Slovak national technical standards.
Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room
WITHDRAWN published on 1.8.2001
Selected format:Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:2020)
Standard published on 1.5.2021
Selected format:Acoustics.Measurement of insertion loss of ducted silencers without flow.Laboratory survey method (ISO 11691:1995)
WITHDRAWN published on 1.12.2009
Selected format:Acoustics. Measurement of insertion loss of ducted silencers without flow. Laboratory survey method
WITHDRAWN published on 1.7.1998
Selected format:Acoustics.Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
Standard published on 1.12.2009
Selected format:Acoustics. Measurement procedures for ducted silencers. Insertion loss, flow noise and total pressure loss
WITHDRAWN published on 1.12.1998
Selected format:Acoustics. Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
WITHDRAWN published on 1.12.2004
Selected format:Acoustics. Measurement procedures for ducted silencers. Insertion loss, flow noise and total pressure loss
WITHDRAWN published on 1.5.2004
Selected format:Acoustics. Measurements on silencers in situ
Standard published on 1.5.1999
Selected format:Acoustics. Measurement of the in situ sound attenuation of a removable screen
Standard published on 1.5.1999
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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