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3-2025_Chinese: Household electric direct-acting room heaters - Methods for measuring performance - Part 3: Additional provisions for the measurement of the radiation efficiency (Chinese: 家用直接作用式房间电加热器 性能测试方法 第3部分：辐射效率测量的附加规定)
English versions: GB/T 20991-2024
GB/T 33523
GB/T 13748
GB/T 26361-2025_Chinese: Requirements of facility and service for tourist restaurants (Chinese: 旅游餐馆设施与服务要求)
GB/T 3260.1-2024 Chinese PDF (GB /T3260.1-2024) GB/T 35150.6-2024 3-2025_Chinese: Household electric direct-acting roomGB T 3260. 1 2024_Chinese: Methods for chemical analysis of tin Part 1: Determination of copper, lead, zinc, cadmium, silver, nickel and cobalt contents Flame atomic absorption spectroscopy (Chinese: 1 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 3260. 1 2024
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