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English versions: GB 6944-2025
English versions: GB/T 21638-2025
English versions: GB/T 19183
3-2024_Chinese: Implants for surgery - Ultra-high-molecular-weight polyethylene - Part 3: Accelerated ageing methods (Chinese: 外科植入物 超高分子量聚乙烯 第3部分：加速老化方法)
31-2025_Chinese: National food safety standard - Food contact materials and products - Determination of residual and migration of vinyl chloride
GB/T 20424-2025 Chinese PDF (GB /T20424-2025) GB/T 16702.8-2025 English versions: GB 6944-2025GB T 20424 2025_Chinese: The specification for limit on harmful element content of the heavy nonferrous metal concentrates products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20424 2025
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