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  • SJ/T 11650-2016 信息技术 办公设备 电子设备中化学品散发率的确定 Information technology - Office equipment - D...2024-01-13
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  • YS/T 1116.1-2016 锡阳极泥化学分析方法 第1部分:锡量的测定 碘酸钾滴定法 Methods for chemical analysis of tin a...2024-01-13
  • LY/T 1747-2018 杨梅质量等级 Quality and grade of china bayberry2024-01-13
  • JIS H7303-2019 超导性--机械性质试验方法--铜/铌-钛复合超导电体的室温抗拉试验 Superconductivity --Mechanical p...2024-01-13
  • SY/T 6923-2019 煤层气录井安全技术规范 Safety technical specification for CBM mud logging2024-01-13
  • PD ISO/TS 13399-312-2016 切削工具数据的表示和交换 三维模型的创建和交换 装可转位刀片的铰刀 Cutting tool data ...2024-01-13
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  • JIS K8447-2018 氰化钠(试剂) Sodium cyanide (Reagent)2024-01-13
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