GB/T 45434.2-2025 Chinese PDF (GB /T45434.2-2025) GB/T 45395-2025 GB/T 45021
$30.00
Description
GB/T 45021
English versions: GB/T 45256-2025
2-2024_Chinese: Assessment of uncertainty in the calibration and use of flow measurement devices - Part 2: Non-linear calibration relationships (Chinese: 流量测量装置校准和使用不确定度的评估 第2部分：非线性校准关系)
GB/T 45253-2025_Chinese: Internet psychological services - General specification for evaluation services of psychology (Chinese: 互联网心理服务 心理测评服务通用规范)
GB/T 45434.2-2025 Chinese PDF (GB /T45434.2-2025) GB/T 45395-2025 GB/T 45021GB T 45434. 2 2025_Chinese: China standard time Part 2: Metadata (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 45434. 2 2025
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