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GB/T 4138-2024 Chinese PDF (GB/T4138-2024) GB/T 18282.1-2025 GB 44246-2024_Chinese: Household and similar

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GB 44246-2024_Chinese: Household and similar electrical appliances

GB/T 45542-2025_Chinese: Specification for integrated energy efficiency evaluation of industrial boilers (Chinese: 工业锅炉综合能效评价技术规范)

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)

English versions: GB/T 13888-2024

English versions: GB/T 44941-2024

GB/T 4138-2024 Chinese PDF (GB/T4138-2024) GB/T 18282.1-2025 GB 44246-2024_Chinese: Household and similarGB T 4138 2024_Chinese: Rare earth ferrosilicon magnesium alloy (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4138 2024

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