GB/T 31960.12-2024 Chinese PDF (GB/T31960.12-2024) GB/T 7358-2025 classification and model compilation method

classification and model compilation method for complete sets of equipment for fiber carbonization production (Chinese: 纤维碳化生产成套装备的术语、分类及型号编制方法)

GB/T 14420-2024_Chinese: Analysis of water used in boiler and cooling system - Determination of chemical oxygen demand - Rapid method with potassium dichromate (Chinese: 锅炉用水和冷却水分析方法 化学耗氧量的测定 重铬酸钾快速法)

GB/T 18153-2024_Chinese: Safety of machinery - Safety data to establish temperature limit values for touchable hot surfaces (Chinese: 机械安全 用于确定可接触热表面温度限值的安全数据)

English versions: GB/T 22454-2025

GB/T 15843

GB/T 31960.12-2024 Chinese PDF (GB/T31960.12-2024) GB/T 7358-2025 classification and model compilation methodGB T 31960. 12 2024_Chinese: Technical specification of power energy efficiency monitoring system Part 12: Construction guidelines (Chinese: 12) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31960. 12 2024