Registration number (WIID)Project No.TitleStatus
3867LVS EN ISO 10534-2:2002Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 2: Transfer-function methodStandarts spēkā
72693LVS EN ISO 10534-2:2023Acoustics - Determination of acoustic properties in impedance tubes - Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance (ISO 10534-2:2023)Standarts spēkā
81052LVS EN 17823:2024/AC:2025Acoustic properties of building elements and of buildings - Laboratory measurement of the impact sound insulation of stairs and stair isolating elementsStandarts spēkā
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