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GB/T 25025-2025_Chinese: Technical requirements for glass-lined equipment (Chinese: 搪玻璃设备技术条件)
English versions: GB/T 45611-2025
English versions: GB/T 31402-2023
2-2024_Chinese: Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 2: Determining the inclusion ratings of steels by automatic image analysis and stereology (Chinese: 应用自动图像分析测定钢和其他金属中金相组织、夹杂物含量和级别的标准试验方法 第2部分：钢中夹杂物级别的图像分析与体视学测定)
5 kV)and 110 kV(Um=126 kV) - Part 1: Test methods and requirements (Chinese: 额定电压66 kV（Um=72
GB/T 31728-2023 Chinese PDF (GB/T31728-2023) GB/T 20000.6-2024 GB/T 25025-2025_Chinese: Technical requirements forGB T 31728 2023_Chinese: Portable luminaires with charging devices (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31728 2023
