Ventilation for buildings - performance testing of components products for residential ventilation - performance testing of a mechanical supply and exhaust ventilation units including heat recovery for mechanical ventilation systems intended for single family dwellings 建筑物的通风.住宅通风用部件产品的性能试验.独户住宅机械通风系统用机械供气和排气通风装置
2.
Ventilation for buildings - performance testing of components products for residential ventilation - part 7 : performance testing of mechanical supply and exhaust ventilation units including heat recovery for mechanical ventilation systems intended for single family dwellings 建筑物通风.住宅通风用组件产品的性能试验.第7部分:独院住宅用机械通风系统用机械供气排气通风设备
