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ČSN is a protected designation of Czech national technical standards.
WITHDRAWN published on 1.5.1995
Selected format:Acoustics - Preferred frequencies
Standard published on 1.1.1999
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WITHDRAWN published on 11.7.1986
Selected format:Acoustics - Methods for calculating loudness - Part 1: Zwicker method
Standard published on 1.7.2018
Selected format:
WITHDRAWN published on 8.6.1965
Selected format:Acoustics - Method for calculating loudness level
WITHDRAWN published on 1.3.1994
Selected format:Acoustics - Determination of sound power levels of noise sources - Guidelines for the use of basic standards
Standard published on 1.4.2021
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WITHDRAWN published on 17.1.1989
Selected format:Acoustics - Determination of sound power levels of noise sources - Guidelines for the use of basic standards
WITHDRAWN published on 1.10.2019
Selected format:Acoustics - Determination of sound power levels of noise sources - Guidelines for the use of basic standards
WITHDRAWN published on 1.7.2001
Selected format:Latest update: 2025-12-28 (Number of items: 2 253 436)
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