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English versions: GB/T 45588-2025
3-2024_Chinese: Classification of environmental conditions - Environmental conditions appearing in nature - Part 3: Living organisms (Chinese: 环境条件分类 自然环境条件 第3部分：生物)
GB/T 2881-2023_Chinese: Silicon metal (Chinese: 工业硅)
GB/T 18376
GB/T 5700-2023 Chinese PDF (GB/T5700-2023) GB/T 7000.218-2023 English versions: GB/T 45588-2025GB T 5700 2023_Chinese: Methods of lighting measurement (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5700 2023
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