GB/T 22248-2025 Chinese PDF (GB /T22248-2025) GB/T 20014.28-2025 GB/T 21196

Name: GB/T 22248-2025 Chinese PDF (GB /T22248-2025) GB/T 20014.28-2025 GB/T 21196
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GB/T 21196

GB/T 22459

English versions: GB/T 23480-2025

English versions: GB 4824-2025

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)

GB/T 22248-2025 Chinese PDF (GB /T22248-2025) GB/T 20014.28-2025 GB/T 21196GB T 22248 2025_Chinese: Determination of glycyrrhizic acid in health foods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22248 2025

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