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English versions: GB/T 31901-2024
1）第1部分：基本记法规范)
GB 28050-2025_Chinese: National Standard on Food Safety - National label standards for pre-packaged food (Chinese: 食品安全国家标准 预包装食品营养标签通则)
GB/T 17670-2025_Chinese: Unified coding for natural stone (Chinese: 天然石材统一编号)
GB/T 20991-2024 Chinese PDF (GB /T20991-2024) GB/T 21666-2025 English versions: GB/T 31901-2024GB T 20991 2024_Chinese: Foot protection Test methods for footwear (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20991 2024
