ICS030.100.01CCSA0031上海市地方标准DB31/T1469—2024住宅电梯安全管理规范Specificationofresidentialelevatorsafetymanagement2024-04-02发布2024-07-01实施上海市市场监督管理局发布DB31/T1469—2024I目次前言................................................................................III引言.................................................................................IV1范...
