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English versions: GB/T 22248-2025
3-2025_Chinese: Uncut finished spectacle lenses - Part 3: Transmittance test methods (Chinese: 眼镜镜片 第3部分：透射比试验方法)
GB/T 18910
1-2024_Chinese: Non-destructive testing - Penetrant testing - Part 1: General principles (Chinese: 无损检测 渗透检测 第1部分：总则)
GB/T 23694-2024_Chinese: Risk management - Vocabulary (Chinese: 风险管理 术语)
GB/T 15470.2-2025 Chinese PDF (GB /T15470.2-2025) GB/T 15316-2024 English versions: GB/T 22248-2025GB T 15470. 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: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15470. 2 2025
