GB/T 21679-2023 Chinese PDF (GB/T21679-2023) GB/T 33588.5-2025 GB/T 27866-2023_Chinese: Specification of controlling

GB/T 27866-2023_Chinese: Specification of controlling weld hardness of steel pipe and equipment to prevent sulfide stress cracking (Chinese: 钢制管道和设备防止焊缝硫化物应力开裂的硬度控制技术规范)

English versions: GB/T 1196-2023

1-2024_Chinese: Cybersecurity technology - Hash-functions - Part 1: General (Chinese: 网络安全技术 杂凑函数 第1部分：总则)

7-2024_Chinese: Electrical safety in low voltage distribution systems up to 1000V a

GB/T 29041-2023_Chinese: Road wear testing methods for motor vehicle tyres (Chinese: 汽车轮胎道路磨耗试验方法)

GB/T 21679-2023 Chinese PDF (GB/T21679-2023) GB/T 33588.5-2025 GB/T 27866-2023_Chinese: Specification of controllingGB T 21679 2023_Chinese: Forensic sciences Criterion for DNA database (Chinese: DNA) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21679 2023