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GB/T 5578-2024 Chinese PDF (GB/T5578-2024) GB/T 45366-2025 GB/T 7143-2025_Chinese: Methods for chemical

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GB/T 7143-2025_Chinese: Methods for chemical analysis of silica sand for foundry (Chinese: 铸造用硅砂化学分析方法)

GB/T 10395

GB 44015-2024_Chinese: Minimum allowable of energy efficiency and energy efficiency grades for cold store(box) and refrigerant compressor condensing unit (Chinese: 冷库（箱）和压缩冷凝机组能效限定值及能效等级)

English versions: YY/T 1940-2024

GB/T 5578-2024 Chinese PDF (GB/T5578-2024) GB/T 45366-2025 GB/T 7143-2025_Chinese: Methods for chemicalGB T 5578 2024_Chinese: Fixed power plant steam turbine specifications (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5578 2024

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