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GB 45673-2025 Chinese PDF GB 45671-2025 2-2025_Chinese: Household electric direct-acting room

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2-2025_Chinese: Household electric direct-acting room heaters - Methods for measuring performance - Part 2: Additional provisions for the measurement of the radiant factor (Chinese: 家用直接作用式房间电加热器 性能测试方法 第2部分：辐射系数测量的附加规定)

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 10250-2025

English versions: GB/T 11730-2025

GB 45673-2025 Chinese PDF GB 45671-2025 2-2025_Chinese: Household electric direct-acting roomGB 45673 2025_Chinese: General specification for safety production standardization of hazardous chemical enterprises (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 45673 2025

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