DB3202-T 1047-2023 工贸企业安全风险分级管控和隐患排查治理规范 无锡市
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ISO 19148 2021 Geographic information — Linear referencing.pdf
ISO 10523 2008 Water quality — Determination of pH.pdf
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ISO 13029 2012 Textiles — Determination of drying rate in dynamic state by the modified sweating-guarded hotplate.pdf
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ISO 7190 1981 Continuous mechanical handling equipment — Bucket elevators — Classific.pdf
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GB-T 19985-2005 木工机床 镂铣机 术语和精度.pdf
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GB-T 4669-2008 纺织品 机织物 单位长度质量和单位面积质量的测定.pdf
GB-T 4625-1998 螺钉和螺母的装配工具术语.pdf
GB-T 9217.1-2005 硬质合金旋转锉 第1部分 通用技术条件.pdf