www.bzfxw.comICS35.240.01CCSL67DB4403深圳市地方标准DB4403/T440—2024智慧物业服务和数据交换规范Smartpropertyserviceanddataexchangespecification2024-04-22发布2024-05-01实施深圳市市场监督管理局发布www.bzfxw.comwww.bzfxw.comDB4403/T440—2024I目次前言..............................................................................III引言.....................................................................
