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ISO 1042 1998 Laboratory glassware — One-mark volumetric flasks.pdf
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ISO 20523 2017 Carbon based films — Classification and designations.pdf
ISO TR 16730-3 2013 Fire safety engineering — Assessment, verification and validation of calculation methods — Part 3 Example of a CFD model.pdf
ISO 13079 2011 Laboratory glass and plastics ware — Tubes for the measurement of the erythrocyte sedimentation rate by the Westergren method.pdf
ISO 22452 2011 Timber structures — Structural insulated panel walls — Test methods.pdf
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GB-T 8647.6-2006 镍化学分析方法 镉、钴、铜、锰、铅、锌量的测定 火焰原子吸收光谱法.pdf
GB-T 6181-1986 六角开槽薄螺母 A和B级.pdf
GB-T 8310-2013 茶 粗纤维测定.pdf
GB-T 24867-2010 草种子水分测定 水分仪法.pdf
GB-T 7725-2004 房间空气调节器.pdf
GB-T 41850.8-2022 机械振动 机器振动的测量和评价 第8部分 往复式压缩机系统.pdf
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GB-T 28804-2012 无铜镀银玻璃镜.pdf
GB-T 15716-2005 煤用筛分设备工艺性能评定方法.pdf
GB-Z 17625.6-2003 电磁兼容 限值 对额定电流大于16A的设备在低压供电系统中产生的谐波电流的限制.pdf