GB/T 18802.331-2024 Chinese PDF (GB/T18802.331-2024) GB/T 45133-2025 GB/T 12910-2023_Chinese: Paper and board

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)

English versions: GB/T 6595-2025

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

English versions: GB 45671-2025

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)

GB/T 18802.331-2024 Chinese PDF (GB/T18802.331-2024) GB/T 45133-2025 GB/T 12910-2023_Chinese: Paper and boardGB 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