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5-2024_Chinese: Proton exchange membrane fuel cell - Part 5: Test method for membrane electrode assembly (Chinese: 质子交换膜燃料电池 第5部分：膜电极测试方法)
4-四甲基-1
GB/T 15604-2024_Chinese: Terminology for dust explosion prevention and protection (Chinese: 粉尘防爆术语)
GB/T 31235-2024_Chinese: Technical specification for fittings of ±800 kV DC overhead transmission line (Chinese: ±800kV直流输电线路金具技术规范)
English versions: GB/T 26354-2025
GB/T 23500-2025 Chinese PDF (GB /T23500-2025) GB/T 19799.3-2025 5-2024_Chinese: Proton exchange membrane fuelGB T 23500 2025_Chinese: General quality for yuanxiao (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23500 2025
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