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![GB/T 15934-2024 Chinese PDF (GB/T15934-2024) GB/T 15843.2-2024 3-2023_Chinese: [Including 2025XG1] Mechanical sampling](https://cdn.shopify.com/s/files/1/0727/2906/7774/files/GBT15934-2024CN.1_27bc5b6a-5b00-471e-83ae-8f665dd461c8.jpg?v=1750113428)
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3-2023_Chinese: [Including 2025XG1] Mechanical sampling of coal - Part 3: Determination of precision and bias test (Chinese: 煤炭机械化采样 第3部分：精密度测定和偏倚试验)
GB/T 45239-2025_Chinese: Evaluation methods of nocturnal blue light radiation hazards (Chinese: 夜间蓝光辐射危害的评价方法)
GB/T 45257-2025_Chinese: Press and publication - Knowledge services - Extraction and marking up of knowledge element (Chinese: 新闻出版 知识服务 知识元提取与标引)
English versions: GB/T 25273-2025
English versions: GB/T 14285-2023
GB/T 15934-2024 Chinese PDF (GB/T15934-2024) GB/T 15843.2-2024 3-2023_Chinese: [Including 2025XG1] Mechanical samplingGB T 15934 2024_Chinese: Electrical accessories Cord sets and interconnection cord sets (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15934 2024
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