北京市地方标准
编 号:DB11/T 118—2024
住宅二次供水设施设备运行维护技术规程
Technical specification for operation and maintenance of secondary water
supply facilities and equipment in residential buildings
2024-07-01发布 2024 -10-01实施
北京市住房
DB11T 118-2024住宅二次供水设施设备运行维护技术规程.pdf