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ISO 22190 2020 Soil quality — Use of extracts for the assessment of bioavailability of trace elements in soils.pdf
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ISO TS 23128 2019 Medical devices — Transfusion set and blood bag compatibility test method.pdf
ISO 18831 2016 Clothing — Digital fittings — Attributes of virtual garments.pdf
ISO IEC 13888-2 2010 Information technology — Security techniques — Non-repudiation — Part 2 Mechanisms using symmetric techniques.pdf
ISO-IEC 11570 1992 Information technology -- Telecommunications and information exchange between systems -- Open Systems Interconnection -- Transport protocol identification mechanism.pdf
ISO-TS 18571 2024 Road vehicles Objective rating metric for non-ambiguous signals.pdf
GB-T 7186-2008 选煤术语.pdf
GB-T 3837-2001 7∶24手动换刀刀柄圆锥.pdf
GB-T 8190.2-2011 往复式内燃机 排放测量 第2部分 气体和颗粒排放物的现场测量.pdf
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GB-T 20461-2006 汽车动力转向系统用橡胶软管和软管组合件 规范.pdf
GB-T 4857.6-1992 包装 运输包装件 滚动试验方法.pdf
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GB-T 1980-2005 标准频率.pdf