GB/T 15843.4-2024 English PDF (GB/T15843.4-2024) GB 21343-2023 GB 31335-2024_Chinese: Norm of the

Name: GB/T 15843.4-2024 English PDF (GB/T15843.4-2024) GB 21343-2023 GB 31335-2024_Chinese: Norm of the
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GB 31335-2024_Chinese: Norm of the energy consumption per unit production of iron ore mining and dressing (Chinese: 铁矿开采和选矿单位产品能源消耗限额)

GB/T 45279

English versions: GB/T 45441-2025

English versions: GB/T 25020

GB/T 15843.4-2024 English PDF (GB/T15843.4-2024) GB 21343-2023 GB 31335-2024_Chinese: Norm of theGB T 15843. 4 2024_Chinese: Information technology Security techniques Entity authentication Part 4: Mechanisms using a cryptographic check function (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15843. 4 2024

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