GB/T 30425-2025 Chinese PDF (GB /T30425-2025) GB/T 21536-2024 3-2025_Chinese: Railway applications - Compatibility

3-2025_Chinese: Railway applications - Compatibility between rolling stock and train detection systems - Part 3: Compatibility with axle counters (Chinese: 轨道交通 机车车辆和列车检测系统的兼容性 第3部分：与计轴器的兼容性)

English versions: GB/T 20965-2025

2-2024_Chinese: Small craft - Determination of maximum propulsion power rating using manoeuvring speed - Part 2: Craft with a length of hull between 8 m and 24 m (Chinese: 小艇 用操纵速度确定最大推进额定功率 第2部分：艇体长度在8m~24m之间的艇)

5-2024_Chinese: Implants for surgery - Ultra-high-molecular-weight polyethylene - Part 5: Morphology assessment method (Chinese: 外科植入物 超高分子量聚乙烯 第5部分：形态评价方法)

GB/T 41780

GB/T 30425-2025 Chinese PDF (GB /T30425-2025) GB/T 21536-2024 3-2025_Chinese: Railway applications - CompatibilityGB T 30425 2025_Chinese: Water cooling equipment for converter valves for high voltage direct current(HVDC) ower transmission (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30425 2025