GB/T 23031.3-2023 Chinese PDF (GB/T23031.3-2023) GB/T 2820.9-2024 GB/T 20850-2025_Chinese: Safety of machinery

GB/T 20850-2025_Chinese: Safety of machinery - Guidelines for the application of machinery safety standards (Chinese: 机械安全 机械安全标准应用指南)

English versions: GB/T 45331-2025

GB/T 24851-2024_Chinese: Specification for equipping and managing of measuring instrument of energy in building material industry (Chinese: 建筑材料行业能源计量器具配备和管理要求)

English versions: GB/T 28199-2025

GB/T 23031.3-2023 Chinese PDF (GB/T23031.3-2023) GB/T 2820.9-2024 GB/T 20850-2025_Chinese: Safety of machineryGB T 23031. 3 2023_Chinese: Industrial Internet platform Application and implementation guide Part 3: Intelligentize manufacturing (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23031. 3 2023