DB4107-T 492-2022 玉米病虫草害综合防治技术规范 新乡市
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ISO 22412 2017 Particle size analysis — Dynamic light scattering (DLS).pdf
ISO 19135-1 2015 Geographic information — Procedures for item registration — Part 1 Fundamentals.pdf
ISO-IEC GUIDE 99 2007 International vocabulary of metrology -- Basic and general concepts and associated terms (VIM).pdf
ISO 28927-12 2012 Hand-held portable power tools Test methods for evaluation of vibration emission Part 12 Die grinders.pdf
ISO 22032 2006 Water quality Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge Method using extraction and gas chromatography-mass spectrometry.pdf
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ISO 1920-8 2009 Testing of concrete — Part 8 Determination of drying shrinkage of concrete for samples prepared in the f.pdf
ISO 4935 1989 Steel and iron — Determination of sulfur content — Infrared absorption method after combustion in an induction furnace.pdf
ISO 11601 2017 Fire fighting — Wheeled fire extinguishers — Performance and construction.pdf
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GB-T 20845-2007 小艇 舷内柴油机 机装燃油和电气部件.pdf
GB-T 32070-2015 土方机械 危险监测系统及其可视辅助装置 性能要求和试验.pdf
GB-T 21867.3-2008 颜料和体质颜料 分散性的评定方法 第3部分 由光泽的变化进行评定.pdf
GB-T 12936-2007 太阳能热利用术语.pdf
GB-T 2883-2015 工程机械轮辋规格系列.pdf
GB-T 18233-2008 信息技术 用户建筑群的通用布缆.pdf
GB-T 23686-2022 环境意识设计 原则、要求与指导.pdf
GB-T 25186-2010 表面化学分析 二次离子质谱 - 由离子注入参考物质确定相对灵敏度因子.pdf