GB/T 12719-2021矿区水文地质工程地质勘查规范Exploration specification of hydrogeology and engineering geology in mining areas GB/T 12719-2021矿区水文地质工程地质勘查规范Exploration specification of hydrogeology and engineering geology in mining areas

GB/T 12719-2021矿区水文地质工程地质勘查规范Exploration specification of hydrogeology and engineering geology in mining areas

  • 标准类别:[GB] 国家标准
  • 标准大小:
  • 标准编号:GB/T 12719-2021
  • 标准状态:
  • 更新时间:2022-04-01
  • 下载次数:
标准简介

GB/T 12719-2021矿区水文地质工程地质勘查规范Exploration specification of hydrogeology and engineering geology in mining areas

标准截图