GB/T 37027-2025 Chinese PDF (GB /T37027-2025) GB/T 27534.7-2025 2-2024_Chinese: Variable-frequency drive above 1

2-2024_Chinese: Variable-frequency drive above 1 kV and not exceeding 35 kV - Part 2: Test methods (Chinese: 1 kV以上不超过35 kV的通用变频调速设备 第2部分：试验方法)

GB/T 28029

31-2025_Chinese: Plugs and socket-outlets for household and similar purposes - Part 31: Particular requirements for socket-outlets incorporating USB power supply (Chinese: 家用和类似用途插头插座 第31部分：装有USB电源的插座的特殊要求)

507-2025_Chinese: Laser display devices - Part 5-7: Measuring methods of image quality affected by speckle for scanning laser displays (Chinese: 激光显示器件 第5-7部分：激光扫描显示在散斑影响下的图像质量测试方法)

GB/T 37027-2025 Chinese PDF (GB /T37027-2025) GB/T 27534.7-2025 2-2024_Chinese: Variable-frequency drive above 1GB T 37027 2025_Chinese: Cybersecurity technology Criteria for determing network attack and network attack incident (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 37027 2025