Home / Standards / GB/T 16731-2023 GB/T 16731-2023 Active Classification of sound absorption property for absorbent products using in buildings 建筑吸声产品的吸声性能分级 Standard Type GBT ICS 91.120.20 CCS P31 Status 现行 Issue Date 2023-03-17 Implementation 2023-10-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A