BS-EN-ISO-10534-2 Complete Document History
Acoustics. Determination of acoustic properties in impedance tubes

Complete Current Edition:
   2023 EDITION - Acoustics. Determination of acoustic properties in impedance tubes.Two-microphone technique for normal sound absorption coefficient and normal surface impedance. - Oct. 11, 2023

Obsolete Revision Information:
   2001 EDITION - Acoustics. Determination of sound absorption coefficient and impedance in impedance tubes. Transfer-function method - May 15, 1999