GB 50778-2012露天煤矿岩土工程勘察规范 Code for investigation of geotechnical engineering of open pit coal mine GB 50778-2012露天煤矿岩土工程勘察规范 Code for investigation of geotechnical engineering of open pit coal mine

GB 50778-2012露天煤矿岩土工程勘察规范 Code for investigation of geotechnical engineering of open pit coal mine

  • 标准类别:[GB] 国家标准
  • 标准大小:
  • 标准编号:GB 50778-2012
  • 标准状态:现行
  • 更新时间:2022-07-10
  • 下载次数:
标准简介

标准截图