This Standard specifies the product classification, technical requirements, test methods, inspection rules, mark, packaging, transportation and storage of direct current power supply with intrinsically safe output for a coal mine. This Standard applies to direct current power supply with intrinsically safe output for a coal mine.

This standard specifies the basic guidelines for hydrogeological, engineering, and environmental geological work in the geological exploration of coal resources; it focuses on the technical requirements and working methods of the exploration. This standard is applicable to the design and preparation, exploration and construction, geological research, geological report preparation and review, resource / reserve evaluation, mining right assessment, feasibility study at each stage of geological exploration of coal resources.

GB/T 6723-2008 Construction winch English-translated version

This part of GB/T 10609 specifies the basic requirements, content, size, format of the title blocks in the technical drawings. This part applies to the title blocks in the technical drawings.

This Standard specifies the terms and definitions of passenger car tyres, the size designation methods, and the dimensions, inflation pressures and loads corresponding to size designation etc.

This standard specifies the basic requirements and preparation methods of instructions for use of industrial products. This standard applies to the preparation methods of instructions for use of industrial products for non-consumer products. This standard can also be applied to other forms of instructions for use.

GB/T 9978.3-2008 Ductile iron pipes,fittings and accessories for water or gas applications English-translated version