GB/T 44855-2024 Chinese PDF (GB /T44855-2024) GB/T 21551.1-2024 2-2025_Chinese: Agricultural tractors - General

2-2025_Chinese: Agricultural tractors - General requirement - Part 2: 50 kW～130 kW wheeled tractors (Chinese: 农业拖拉机 通用技术条件 第2部分：50 kW～130 kW轮式拖拉机)

10-2025_Chinese: Instrument transformers - Part 10: Additional requirements for low-power passive current transformers (Chinese: 互感器 第10部分：低功率无源电流互感器的补充技术要求)

GB/T 21638-2025_Chinese: Microbeam analysis - Guidelines for electron beam microanalysis of defects in steel materials (Chinese: 微束分析 钢铁材料缺陷电子束显微分析方法通则)

5-2024_Chinese: Proton exchange membrane fuel cell - Part 5: Test method for membrane electrode assembly (Chinese: 质子交换膜燃料电池 第5部分：膜电极测试方法)

GB 32047-2025_Chinese: Norm of energy consumption per unit production of beer (Chinese: 啤酒单位产品能源消耗限额)

GB/T 44855-2024 Chinese PDF (GB /T44855-2024) GB/T 21551.1-2024 2-2025_Chinese: Agricultural tractors - GeneralGB T 44855 2024_Chinese: Management specification for water conservation of cooling towers (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 44855 2024