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ISO 10848-1 2017 Acoustics Laboratory and field measurement of flanking transmission for airborne impact and building service equipment sound between adjoining rooms Part 1 Frame document.pdf
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ISO 17740-1 2015 Building construction machinery and equipment Concrete placing systems for stationary equipment Part 1 Terminology and commercial specifications.pdf
ISO 15179 2022 Hot-rolled twin-roll cast steel sheet of structural quality and high strength steel.pdf
ISO-IEC 14496-19 2004 Information technology - Coding of audio-visual objects -- Part 19 Synthesized texture stream.pdf
ISO 20421-1 2019-Amd 1 2022 Cryogenic vessels Large transportable vacuum-insulated vessels Part 1 Design fabrication inspection and testing Amendment 1.pdf
ISO 13550 2002 Hydrometric determinations Flow measurements in open channels using structures Use of vertical underflow gates.pdf
ISO 1920-4 2020 Testing of concrete — Part 4 Strength of hardened concrete.pdf
ISO TS 6579-2 2012 Microbiology of food and animal feed — Horizontal method for the detection, enumeration and serotyping of Salmonella — Part 2 Enumeration by.pdf
GB-T 19899-2005 过程测量和控制系统用二进制 直流电压信号.pdf
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GB-T 20057-2012 滚动轴承 圆柱滚子轴承 平挡圈和套圈无挡边端倒角尺寸.pdf
GB-T 6188-2017 螺栓和螺钉用内六角花形.pdf
GB-T 4956-2003 磁性基体上非磁性覆盖层 覆盖层厚度测量 磁性法.pdf
GB-T 16722.3-2008 技术产品文件 计算机辅助技术信息处理 产品设计过程中的状态.pdf
GB-T 15754-1995 技术制图 圆锥的尺寸和公差注法.pdf
GB 19303-2003 熟肉制品企业生产卫生规范.pdf
GB-T 24825-2009 LED模块用直流或交流电子控制装置 性能要求.pdf
GB-T 2007.6-1987 散装矿产品取样、制样通则 水分测定方法 热干燥法.pdf