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English versions: GB/T 29381-2023
2-2024_Chinese: Tractors for agriculture and forestry - Roll-over protective structures on narrow tractors - Part 2: Rear-mounted ROPS (Chinese: 农林拖拉机 窄轮距轮式拖拉机翻滚防护装置 第2部分：后置式)
3-2024_Chinese: Connections for hydraulic fluid power - Metallic tube connections - Part 3: Face seal (Chinese: 液压传动连接 金属管接头 第3部分:端面密封)
GB/T 23713
English versions: GB/T 29318-2024
GB/T 28924-2023 Chinese PDF (GB/T28924-2023) GB/T 45638-2025 English versions: GB/T 29381-2023GB T 28924 2023_Chinese: Guides for calculating energy efficiency index for iron and steel enterprises (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28924 2023
