GB/T 21679-2023 Chinese PDF (GB/T21679-2023) GB/T 33588.5-2025 2-2024_Chinese: Fire shutter assembly -

2-2024_Chinese: Fire shutter assembly - Part 2: Motor for fire shutter assembly (Chinese: 防火卷帘 第2部分：防火卷帘用卷门机)

English versions: GB/T 21295-2024

GB/T 45423-2025_Chinese: Data element for meteorology - General (Chinese: 气象数据元 总则)

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)

GB/T 44942-2024_Chinese: Footwear - Test method for insoles and insocks - Dimensional change after cycle of wetting and drying (Chinese: 鞋类 内底和内垫试验方法 干湿循环尺寸变化率)

GB/T 21679-2023 Chinese PDF (GB/T21679-2023) GB/T 33588.5-2025 2-2024_Chinese: Fire shutter assembly -GB 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