GB/T 34555-2017建筑采光顶气密、水密、抗风压性能检测方法国家标准
英文:Test method of air permeability, watertightness,wind load resistance performance for building skylight system GB/T 34...
英文:Test method of air permeability, watertightness,wind load resistance performance for building skylight system GB/T 34...