DIN EN ISO 10534-1:2001-10 Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 1: Method using standing wave ratio (ISO 10534-1:1996); German version EN ISO 10534-1:2001
2001DIN EN ISO 10534-1:2001-10 Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 1: Method using standing wave ratio (ISO 10534-1:1996); German version EN ISO 10534-1:2001
2001DIN EN ISO 10534-1:2001 Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 1: Method using standing wave ratio (ISO 10534-1:1996); German version EN ISO 10534-1:2001