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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 45485-2025_Chinese: Ships and marine technology - Design and test requirements for small steel hatches using electrical trace heating (Chinese: 船舶和海上技术 电伴热钢质小舱口盖设计和试验要求)
GB/T 45292-2025_Chinese: Technical specification for retreaded tyre production (Chinese: 轮胎翻新生产技术条件)
English versions: GB/T 28807
GB 29140-2024 Chinese PDF GB/T 26882.4-2024 GB/T 45333-2025_Chinese: Diamond-like carbon filmsGB 29140 2024_Chinese: Norm of energy consumption per unit production of soda ash (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 29140 2024
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