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English versions: GB/T 31814-2024
phenolphthalein alkalinity
GB/T 45233-2025_Chinese: Guidelines for comprehensive safety risk assessment of chemical industry park (Chinese: 化工园区安全风险评估导则)
English versions: GB/T 44969-2024
GB/T 45315-2025_Chinese: Technical requirements and test methods of vehicular information interactive systems based on LTE-V2X direct communication (Chinese: 基于LTE-V2X直连通信的车载信息交互系统技术要求及试验方法)
GB/T 45404-2025 Chinese PDF (GB /T45404-2025) GB/T 23025-2024 English versions: GB/T 31814-2024GB T 45404 2025_Chinese: Data security technology Requirements for large Internet companies internal personal information protection supervision agency (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45404 2025
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