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GB/T 20236-2025_Chinese: Accelerated outdoor weathering test methods for nonmetallic materials using concentrated natural sunlight (Chinese: 非金属材料的聚光加速户外暴露试验方法)
2-2025_Chinese: Rubber
GB/T 23527
1-2025_Chinese: Package of household and similar electrical appliances - Part 1: General requirements (Chinese: 家用和类似用途电器包装 第1部分：通用要求)
English versions: GB/T 37507-2025
GB/T 28807.3-2025 Chinese PDF (GB /T28807.3-2025) GB/T 43018.5-2025 GB/T 20236-2025_Chinese: Accelerated outdoor weatheringGB T 28807. 3 2025_Chinese: Railway applications Compatibility between rolling stock and train detection systems Part 3: Compatibility with axle counters (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28807. 3 2025
