Testing in reverberation rooms of air terminal devices, high/low velocity/pressure assemblies, dampers and valves used in air diffusion and distribution systems.
- BS 4773-2-1989 空气分配系统用空气终端设备的试验和评价方法.第2部分:声学试验（ 作废 ）
- 发布日期：2018-07-20 实施日期：1989-09-29 发布部门：
- 简介：Testing in reverberation rooms of air terminal devices, high/low velocity/pressure assemblies, dampers and valves used in air diffusion and distribution systems.