ICS91.140.90CCSQ7831上海市地方标准DB31/T885—2024代替DB31/T885-2015老旧住宅电梯安全评估规范Specificationsforsafetyestimationofagedliftsinresidentialbuildings2024-04-02发布2024-06-01实施上海市市场监督管理局发布DB31/T885—2024I目次前言.................................................................................II1范围........................................
