China National Standards

China hydrogeology,engineering GB Standards List


  •  China "hydrogeology,engineering" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 14158-1993 Synthetical survey code for regional hydrogeology,engineering geology and environmental geology
    区域水文地质工程地质环境地质综合勘查规范(比例尺1∶50000)
    China National Standards
    hydrogeology,engineering

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