QB-T 2003-1994 食品工业用不锈钢对缝焊接管件
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ISO 8608 2016 Mechanical vibration — Road surface profiles — Reporting of measured data.pdf
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ISO TS 17383 2014 Determination of the triacylglycerol composition of fats and oils — Determination by capillary gas chromatography.pdf
ISO 9197 2016 Paper, board and pulps — Determination of water-soluble chlorides.pdf
ISO 6428 1982 Technical drawings — Requirements for microcopying.pdf
ISO 1853 2018 Conducting and dissipative rubbers vulcanized or thermoplastic Measurement of resistivity.pdf
ISO 487 1998 Steel roller chains, types S and C, attachments and sprockets.pdf
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GB-T 20017-2005 金属和其它无机覆盖层 单位面积质量的测定 重量法和化学分析法评述.pdf
GB-T 41946-2022 橡胶 全硫含量的测定 离子色谱法.pdf
GB-T 2012-1989 芳烃酸洗试验法.pdf
GB-T 31527-2015 力学性能测量 NbTi-Cu复合超导线室温拉伸试验方法.pdf
GB-T 9869-2014 橡胶胶料 硫化特性的测定 圆盘振荡硫化仪法.pdf
GB-T 20342-2006 农业拖拉机和机械 远程液压动力伺服和控制机构标志.pdf
GB-T 16804-2011 气瓶警示标签.pdf
GB-T 41448-2022 地理信息 观测与测量.pdf
GB-T 24355-2009 地理信息 图示表达.pdf