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English versions: GB/T 13815
5-2025_Chinese: National food safety standard - Determination of protein in food (Chinese: 食品安全国家标准 食品中蛋白质的测定)
English versions: GB/T 18649-2024
English versions: GB/T 2941-2025
1-2024_Chinese: Multimode optical fibres for telecommunication - Part 1: Sectional specification for category A1 multimode fibres (Chinese: 通信用多模光纤 第1部分：A1类多模光纤特性)
GB/T 45333-2025 Chinese PDF (GB /T45333-2025) GB/T 19183.2-2024 English versions: GB/T 13815GB T 45333 2025_Chinese: Diamond like carbon films Determination of friction and wear characteristics of diamond like carbon films by ball on disc method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45333 2025
