BS EN 13141-7-2010 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(包括热回收)的性能检验
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 fa