标准号:DIN EN ISO 11821-1997
中文标准名称:声学.可移动声屏障声衰减现场测量
英文标准名称:Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997); German version EN ISO 11821:1997
标准类型:A42
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:A42
国际标准分类号:17.140.99
适用范围:The document specifies methods for the measurement of the sound attenuation performance of removable screens in situ.