Повучен
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.
ПОВУЧЕН
ISO/R 354:1963
ПОВУЧЕН
ISO 354:1985
95.99
Повучен
14. 5. 2003.
ПОВУЧЕН
ISO 354:1985/Amd 1:1997
ОБЈАВЉЕН
ISO 354:2003