GB/T 18802.331-2024 Chinese PDF (GB/T18802.331-2024) GB/T 45133-2025 English versions: GB/T 6595-2025

English versions: GB/T 6595-2025

GB/T 30137-2024_Chinese: Power quality - Voltage swell

English versions: GB/T 17626

GB/T 12910-2023_Chinese: Paper and board - Determination of titanium dioxide content (Chinese: 纸和纸板 二氧化钛含量的测定)

11-2025_Chinese: Safety requirements for electrical equipment for measurement

GB/T 18802.331-2024 Chinese PDF (GB/T18802.331-2024) GB/T 45133-2025 English versions: GB/T 6595-2025GB T 18802. 331 2024_Chinese: Components for low voltage surge protection Part 331: Performance requirements and test methods for metal oxide varistors (MOV) (Chinese: 331MOV) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18802. 331 2024