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English versions: GB 45671-2025
English versions: YY/T 1940-2024
GB/T 45316-2025_Chinese: Determination of piperine content - Spectrophotometric method (Chinese: 胡椒碱含量的测定 分光光度法)
GB/T 44837-2024_Chinese: Green product assessment - Stationery (Chinese: 绿色产品评价 文具)
GB/T 44913-2024_Chinese: Filled monocrystal gemstones - Identification and classification (Chinese: 充填处理单晶体宝石 鉴定与分类)
GB/T 42163.1-2022 Chinese PDF (GB/T42163.1-2022) GB/T 25820-2025 English versions: GB 45671-2025GB T 42163. 1 2022_Chinese: Monomer casting polyamide pulleys Part 1: Elevator pulleys (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42163. 1 2022
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