GB/T 45486-2025 Chinese PDF (GB /T45486-2025) GB/T 45448-2025 English versions: GB/T 25820-2025

English versions: GB/T 25820-2025

GB/T 29292-2024_Chinese: Footwear - Guidelines for the management and control of key chemicals in footwear and footwear components (Chinese: 鞋类 鞋类和鞋类部件中重点化学物质管控指南)

English versions: GB/T 45172-2024

GB/T 44889-2024_Chinese: Guidance for statistics for operating costs of government offices (Chinese: 机关运行成本统计指南)

GB/T 45333-2025_Chinese: Diamond-like carbon films - Determination of friction and wear characteristics of diamond-like carbon films by ball-on-disc method (Chinese: 类金刚石薄膜 球盘法测试类金刚石薄膜的摩擦磨损性能)

GB/T 45486-2025 Chinese PDF (GB /T45486-2025) GB/T 45448-2025 English versions: GB/T 25820-2025GB T 45486 2025_Chinese: Ships and marine technology Ballast water management systems (BWMS) Computational physical modelling and calculations on scaling of UV reactors (Chinese: BWMS ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45486 2025