ICS03.220.20CCSR1052贵州省地方标准DB52/T1789—2024高速公路服务区服务规范Servicespecificationsforserviceareainexpressways2024-03-06发布2024-09-01实施贵州省市场监督管理局发布DB52/T1789—2024I目次前言.................................................................................II引言.............................................................................
