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English versions: GB/T 22250-2025
English versions: GB/T 44979-2024
1-2023_Chinese: Low-voltage switchgear and controlgear - Part 1: General rules (Chinese: 低压开关设备和控制设备 第1部分：总则)
GB 12710-2024_Chinese: Safety specification for the coking plant (Chinese: 焦化安全规范)
2-2025_Chinese: Safety of transformers
GB/T 31548-2023 Chinese PDF (GB/T31548-2023) GB/T 13523-2024 English versions: GB/T 22250-2025GB T 31548 2023_Chinese: Series of electric bicycle tyres (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31548 2023
