Registration number (WIID)Project No.TitleStatus
81294ISO 10534-2:2023Acoustics — Determination of acoustic properties in impedance tubes — Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedanceStandarts spēkā
81295ISO/AWI 10534-3Acoustics — Determination of properties in impedance tubes — Part 3: Microphone technique for bulk propertiesIzstrādē
81297ISO/PWI 10534-4Acoustics — Determination of properties in impedance tubes — Part 4: Microphone technique for normal sound transmission and bulk propertiesIzstrādē
Displaying 1-3 of 3 results.