GB/T 43277.2-2023 Chinese PDF (GB/T43277.2-2023) GB/T 21551.6-2024 1-2024_Chinese: Variable-frequency drive above 1

1-2024_Chinese: Variable-frequency drive above 1 kV and not exceeding 35 kV - Part 1: Technical conditions (Chinese: 1 kV以上不超过35 kV的通用变频调速设备 第1部分：技术条件)

English versions: GB/T 45575-2025

GB/T 33563-2024_Chinese: Cybersecurity technology - Security technology requirements for wireless local area network client (Chinese: 网络安全技术 无线局域网客户端安全技术要求)

GB/T 1464-2024_Chinese: Test method for density of sandwich construction or cores (Chinese: 夹层结构或芯子密度试验方法)

English versions: GB/T 28559-2025

GB/T 43277.2-2023 Chinese PDF (GB/T43277.2-2023) GB/T 21551.6-2024 1-2024_Chinese: Variable-frequency drive above 1GB T 43277. 2 2023_Chinese: Clamps and flow regulators for medical infusion and transfusion equipment Part 2: Graduated flow regulators with fluid contact (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43277. 2 2023