GB/T 17529.5-2023 Chinese PDF (GB/T17529.5-2023) GB/T 15470.2-2025 GB/T 45308-2025_Chinese: Railway applications -

GB/T 45308-2025_Chinese: Railway applications - Rolling stock - Technical requirements for network time synchronization (Chinese: 轨道交通 机车车辆 网络时间同步技术要求)

English versions: GB/T 45267-2025

English versions: GB/T 17436-2025

English versions: GB/T 45567-2025

2-2024_Chinese: Lighting of work places - Part 2: Lighting requirements for safety and security of outdoor work places (Chinese: 工作场所照明 第2部分：室外作业场所的安全保障照明要求)

GB/T 17529.5-2023 Chinese PDF (GB/T17529.5-2023) GB/T 15470.2-2025 GB/T 45308-2025_Chinese: Railway applications -GB T 17529. 5 2023_Chinese: Acrylic acid and acrylates for industrial use Part 5: 2 Ethylhexyl acrylate for industrial use (Chinese: 52 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17529. 5 2023