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GB/T 3939.2-2023 Chinese PDF (GB/T3939.2-2023) GB/T 24498-2025 English versions: GB 42234-2022

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English versions: GB 42234-2022

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)

GB/T 3392-2023_Chinese: Determination of hydrocarbon impurities of propylene for industrial use - Gas chromatographic method (Chinese: 工业用丙烯中烃类杂质的测定 气相色谱法)

GB/T 32482-2024_Chinese: Colour binning of white LED packages for automotive vehicles (Chinese: 机动车用白光LED封装的颜色分选)

GB/T 3939.2-2023 Chinese PDF (GB/T3939.2-2023) GB/T 24498-2025 English versions: GB 42234-2022GB T 3939. 2 2023_Chinese: Nomenclature and signs of main fishing gear material Part 2: Netting (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 3939. 2 2023

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