GB/T 30893-2024 Chinese PDF (GB/T30893-2024) GB/T 45381-2025 12-2024_Chinese: Low-voltage surge protective device

12-2024_Chinese: Low-voltage surge protective device (SPD) - Part 12: Surge protective devices connected to low-voltage power systems - Selection and application principles (Chinese: 低压电涌保护器（SPD） 第12部分：低压电源系统的电涌保护器 选择和使用导则)

GB/T 28869

4-2024_Chinese: Optics and photonics - Microlens arrays - Part 4: Test methods for geometrical properties (Chinese: 光学和光子学 微透镜阵列 第4部分：几何特性测试方法)

GB/T 13465

3-2024_Chinese: Cybersecurity technology - Hash-functions - Part 3: Dedicated hash-functions (Chinese: 网络安全技术 杂凑函数 第3部分：专门设计的杂凑函数)

GB/T 30893-2024 Chinese PDF (GB/T30893-2024) GB/T 45381-2025 12-2024_Chinese: Low-voltage surge protective deviceGB T 30893 2024_Chinese: Haematococcus pluvialis powder (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30893 2024