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1-2024_Chinese: Methods for chemical analysis of tin - Part 1: Determination of copper
1-2025_Chinese: Cards and security devices for personal identification - Test methods - Part 1: General characteristics (Chinese: 卡及身份识别安全设备 测试方法 第1部分：一般特性)
1-2025_Chinese: Information technology - Data centre facilities and infrastructures - Part 1: General concepts (Chinese: 信息技术 数据中心设备和基础设施 第1部分：通用概念)
English versions: GB 31825-2024
English versions: GB/T 45337-2025
GB/T 16649.3-2024 Chinese PDF (GB/T16649.3-2024) GB/T 45173-2024 1-2024_Chinese: Methods for chemical analysisGB T 16649. 3 2024_Chinese: Identification cards Integrated circuit cards Part 3: Cards with contacts Electrical interface and transmission protocols (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 16649. 3 2024
