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English versions: GB/T 31907-2025
GB/T 18297-2024_Chinese: Performance test code for road vehicle engines (Chinese: 汽车发动机性能试验方法)
GB/T 144-2024_Chinese: Log inspection (Chinese: 原木检验)
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)
7-2025_Chinese: Technical code of practice for evaluation of resistance to diseases and insect pests in wheat - Part 7: Aphid (Chinese: 小麦抗病虫性评价技术规程 第7部分：蚜虫)
GB/T 17273-2023 Chinese PDF (GB/T17273-2023) GB 44504-2024 English versions: GB/T 31907-2025GB T 17273 2023_Chinese: Freight containers Equipment data exchange General communication codes (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17273 2023
