SNV DIN ISO 4869-1:1991现行
Acoustics; Hearing Protectors; Subjective Method For The Measurement Of Sound Attenuation
出版：Swiss Standards
专家解读视频
基本信息
标准编号： SNV DIN ISO 4869-1:1991
发布时间：1991/10/1 0:00:00
标准类别：Standard
出版单位：Swiss Standards
标准页数：0
标准简介
Specifies a subjective method for measuring sound attenuation of hearing protectors at the threshold of hearing. The method is designed to yield values close to the maximum attainable sound attenuation.
等同采用的国际标准
DIN ISO 4869-1 : 1991 - Identical
DIN ISO 4869-1 : 1991 - Identical
DIN ISO 4869-1 (1991-10) - Identical
ISO 4869-1:1990 - Identical
