GB/T 15688-2024 Chinese PDF (GB/T15688-2024) GB/T 17469-2024 GB/T 45138-2024_Chinese: Technical specification for

GB/T 45138-2024_Chinese: Technical specification for evaluation of antiviral activity of interferon (Chinese: 干扰素抗病毒活性评价技术规范)

GB/T 45541-2025_Chinese: Testing method for proton exchange membrane electrolyzer performance (Chinese: PEM电解槽性能测试方法)

English versions: GB/T 45539-2025

GB/T 45517-2025_Chinese: Determination of phenol in toys and children's products - High performance liquid chromatography (Chinese: 玩具及儿童用品中苯酚的测定 高效液相色谱法)

7-2025_Chinese: Textiles - Quantitative chemical analysis - Part 7: Mixtures of polyamide with certain other fibers (method using formic acid) (Chinese: 纺织品 定量化学分析 第7部分：聚酰胺纤维与某些其他纤维的混合物（甲酸法）)

GB/T 15688-2024 Chinese PDF (GB/T15688-2024) GB/T 17469-2024 GB/T 45138-2024_Chinese: Technical specification forGB T 15688 2024_Chinese: Animal and vegetable fats and oils Determination of insoluble impurities content (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15688 2024