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GB/T 21413
2-2024_Chinese: Natural gas - Calculation of thermodynamic properties - Part 2: Single-phase properties(gas
GB/T 22671-2024_Chinese: Test methods for external-rotor motors (Chinese: 外转子电动机试验方法)
GB/T 21649
6-2024_Chinese: Standard for specified animal disease free zone - Part 6: African horse sickness free zone (Chinese: 无规定动物疫病区标准 第6部分：无非洲马瘟区)
GB/T 30966.4-2023 Chinese PDF (GB/T30966.4-2023) GB/T 27534.11-2025 GB/T 21413GB T 30966. 4 2023_Chinese: Wind energy generation systems Communication for monitoring and control of wind power plants Part 4: Mapping to communication profile (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 30966. 4 2023
