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ISO IEC 8481 1996 Information technology — Telecommunications and information exchange between systems — DTE to DTE direct connections.pdf
ISO 719 2020 Glass Hydrolytic resistance of glass grains at 98 C Method of test and classification.pdf
ISO 7383-2 2024 Fine bubble technology Evaluation method for determining gas content in fine bubble dispersions in water Part 2 Hydrogen content.pdf
ISO 1641-2 2011 End mills and slot drills — Part 2 Dimensions and designation of milling cutters with Morse taper shanks.pdf
ISO 2921 2019 Rubber, vulcanized — Determination of low-temperature characteristics — Temperature-retraction procedure (TR test).pdf
ISO 185 2020 Grey cast irons — Classification.pdf
ISO 4377 2012 Hydrometric determinations — Flow measurement in open channels using structures — Flat-V weirs.pdf
ISO 567 2021 Coke — Determination of bulk density in a small container.pdf
ISO-IEC 29103 2011 Information technology - Office equipment - Colour photo test pages for measurement of ink cartridge yield for colour photo printing.pdf
ISO 12543-3 2021 Glass in building Laminated glass and laminated safety glass Part 3 Laminated glass.pdf
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GB-T 15561-2024 数字指示轨道衡.pdf
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GB 12952-2011 聚氯乙烯(PVC)防水卷材.pdf
GB-T 22431-2021 集装箱运输电子数据交换 船舶离港报文.pdf
GB-T 21093-2007 高压汞灯 性能要求.pdf
GB-T 12307.3-1997 金属覆盖层 银和银合金电镀层的试验方法 第三部分 残留盐的测定.pdf
GB-T 12450-2001 图书书名页.pdf
GB-T 35982-2018 机械振动与冲击 手传振动人机界面的耦合力.pdf
GB-T 15754-1995 技术制图 圆锥的尺寸和公差注法.pdf