This standard is applicable to the design of professional construction drawings of mineral processing for new construction, expansion, and reconstruction of large, medium and small chemical mining projects.
HG/T 22805.2-2016 history
2016HG/T 22805.2-2016 Code for content and depth of detail engineering for chemical mine enterprise-mineral processing
1970HG/T 22805.2-1993 Regulations on the Content and Depth of Construction Drawing Design for Chemical Mining Enterprises—Mineral Processing