GB/T 19889.4-2005現行
Acoustics ? Measurement of sound insulation in buildings and of building elements ? Part 4:Field measurements of airborne sound insulation between rooms
出版：Standardization Administration of China
專家解讀視頻
基本信息
標準編號： GB/T 19889.4-2005
標準類別：Standard
出版單位：Standardization Administration of China
標準頁數：0
等同采用的國際標準
ISO 140-4:1998 - Identical
