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GB 11984-2024_Chinese: Technical specification for chlorine safety of chemical industrial enterprises (Chinese: 化工企业氯气安全技术规范)
English versions: GB/T 14478-2025
GB/T 12279
2-2024_Chinese: Cardiovascular implants - Cardiac valve prostheses - Part 2: Surgically implanted heart valve substitutes (Chinese: 心血管植入器械 人工心脏瓣膜 第2部分：外科植入式人工心脏瓣膜)
GB 31604.62-2025 English PDF GB 45673-2025 GB 11984-2024_Chinese: Technical specification forGB 31604. 62 2025_Chinese: National food safety standard Food contact materials and products Determination of migration and release of N nitrosamines (Chinese: N ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 31604. 62 2025
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