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ISO 7439 2023 Copper-bearing contraceptive intrauterine devices — Requirements.pdf
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ISO 18068 2014 Cotton fibres — Test method for sugar content — Spectrophotometry.pdf
ISO 24190 2023 Biotechnology — Analytical methods — Risk-based approach for method selection and validation for rapid microbial detection in bioprocesses.pdf
ISO 9696 2017 Water quality Gross alpha activity Test method using thick source.pdf
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ISO 5459 2011 Geometrical product specifications (GPS) — Geometrical tolerancing — Datums and datum systems.pdf
GB-T 12999-1991 水质采样 样品的保存和管理技术规定.pdf
GB-T 25777-2010 焊接材料熔敷金属化学分析试样制备方法.pdf
GB-T 1233-2008 未硫化橡胶初期硫化特性的测定 用圆盘剪切粘度计进行测定.pdf
GB-T 3455-1982 非平衡双流接口电路的电特性.pdf
GB-T 41098-2021 起重机 安全 起重吊具.pdf
GB-T 34989-2017 连接器 安全要求和试验.pdf
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GB-T 1566-2003 薄型平键 键槽的剖面尺寸.pdf
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