I.S. EN 20354:1994被替代
Acoustics - Measurement Of Sound Absorption In A Reverberation Room
出版：National Standards Authority of Ireland
专家解读视频
Specifies a method of measuring the sound absorption coefficient of acoustical materials used as wall or ceiling treatments, or the equivalent sound absorption area of objects, such as furniture, persons or space absorbers, in a reverberation room.
SS EN 20354:1994 - Identical
UNE EN 20354:1994 - Identical
ISO 354:2003 - Identical
UNI EN 20354:1993 - Identical
NF EN 20354:1993 - Identical
NBN EN 20354:1995 - Identical
BS EN 20354:1993 - Identical
DIN EN 20354 (1993-07) - Identical
ONORM EN 20354:1993 - Identical
SN EN 20354:1997 - Identical
