GB/T 5169.23-2024 Chinese PDF (GB/T5169.23-2024) GB/T 45547-2025 English versions: GB/T 33290

English versions: GB/T 33290

GB/T 32468-2025_Chinese: Copper clad aluminum plates

GB/T 45596-2025_Chinese: Raw rubber or unvulcanized compounds - Determination of green strength (Chinese: 生橡胶或未硫化橡胶 胶料强度的测定)

2-2023_Chinese: Personal flotation devices - Part 2: Lifejackets

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)

GB/T 5169.23-2024 Chinese PDF (GB/T5169.23-2024) GB/T 45547-2025 English versions: GB/T 33290GB T 5169. 23 2024_Chinese: Fire hazard testing for electric and electronic products Part 23: Test flames 500W vertical flame test method for tubular polymeric materials (Chinese: 23 500W) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5169. 23 2024