标准号:ASTM E477-2006
英文标准名称:Standard Test Method for Measuring Acoustical and Airflow Performance of Duct Liner Materials and Prefabricated Silencers
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
国际标准分类号:91.120.20 (Acoustics in buildings. Sound insulatio