GB/T 33588.5-2025 Chinese PDF (GB /T33588.5-2025) GB/T 12540-2024 English versions: GB 45247-2025

English versions: GB 45247-2025

English versions: GB/T 22452-2025

10-2025_Chinese: Instrument transformers - Part 10: Additional requirements for low-power passive current transformers (Chinese: 互感器 第10部分：低功率无源电流互感器的补充技术要求)

GB/T 32507-2024_Chinese: Power quality - Terminology (Chinese: 电能质量 术语)

GB/T 33588.5-2025 Chinese PDF (GB /T33588.5-2025) GB/T 12540-2024 English versions: GB 45247-2025GB T 33588. 5 2025_Chinese: Lightning protection system components(LPSC) Part 5: Requirements for earth electrode inspection housings and earth electrode seals (Chinese: LPSC 5) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 33588. 5 2025