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1）第4部分：ASN
2-2025_Chinese: China standard time - Part 2: Metadata (Chinese: 中国标准时间 第2部分：元数据)
English versions: GB 31648-2025
GB/T 45235-2025_Chinese: Determination of bisphenol A in electrical and electronic products - High performance liquid chromatography (Chinese: 电子电气产品中双酚A的测定 高效液相色谱法)
GB/T 33488.5-2024 Chinese PDF (GB/T33488.5-2024) GB 30077-2023 1）第4部分：ASNGB T 33488. 5 2024_Chinese: Test method of pressure equipment of thermoplastics welded for chemicals Part 5: Time of flight diffraction (Chinese: 5) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 33488. 5 2024
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