GB/T 20834-2024 Chinese PDF (GB/T20834-2024) GB/T 45182-2025 GB/T 45390-2025_Chinese: Communication interface requirements

GB/T 45390-2025_Chinese: Communication interface requirements for power lithium battery production equipment (Chinese: 动力锂电池生产设备通信接口要求)

1-2025_Chinese: Quality requirements for organic acids - Part 1: Citric acid (Chinese: 有机酸质量要求 第1部分：柠檬酸)

English versions: GB/T 45604-2025

GB/T 20717-2024_Chinese: Road vehicles - Connectors for the electrical connection of towing and towed vehicles (15-pole) - 15-pole connector for vehicles with 24 V nominal supply voltage (Chinese: 道路车辆 牵引车和挂车之间的电连接器（15 芯）24V15 芯型)

English versions: GB/T 34430

GB/T 20834-2024 Chinese PDF (GB/T20834-2024) GB/T 45182-2025 GB/T 45390-2025_Chinese: Communication interface requirementsGB T 20834 2024_Chinese: Technical requirements for motor generator (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20834 2024