ICS93.080.10CCSP6612天津市地方标准DB12/T939—2024代替DB12/T939-2020国省公路涉路工程技术要求Technicalrequirementofaccommodatingstructuresandutilitieswithinright-of-wayofnationalandprovincialhighway2024-04-09发布2024-05-10实施天津市市场监督管理委员会发布DB12/T939—2024I目次前言.................................................................................I...
