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English versions: GB/T 19518
English versions: GB/T 44959
English versions: GB/T 45475
English versions: GB/T 38178
GB/T 45042-2024_Chinese: Textiles - Quantitative chemical analysis - Mixtures of polyacrylonitrile preoxidized fiber and certain other fibers (Chinese: 纺织品 定量化学分析 聚丙烯腈预氧化纤维与某些其他纤维的混合物)
GB/T 5121.8-2024 Chinese PDF (GB/T5121.8-2024) GB 30077-2023 English versions: GB/T 19518GB T 5121. 8 2024_Chinese: Methods for chemical analysis of copper and copper alloys Part 8: Determination of oxygen, nitrogen and hydrogen contents (Chinese: 8) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5121. 8 2024
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