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GB-T 27726-2011 热塑性塑料阀门压力试验方法及要求
ISO 13395 1996 Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.pdfISO 20816-1 2016 Mechanical vibration Measurement and evaluation of machine vibration Part 1 General guidelines.pdfISO 18566-4 2017 Building environment design — Design, test methods and control of hydronic radiant heating and cooling panel systems — Part 4 Control of ceiling mounted radiant heating and cooling panels.pdfISO IEC 21117 2012 Information technology — Office equipment — Copying machines and multi-function devices — Information to be included in specification sheets and related test methods.pdfISO-TR 15155-1 2018 Agricultural irrigation equipment Test facilities for agricultural irrigation equipment Part 1 General.pdfISO 11148-7 2012 Hand-held non-electric power tools — Safety requirements — Part 7 Grinders.pdfISO TS 19157-2 2016 Geographic information — Data quality — Part 2 XML schema implementation.pdfISO 3952-3 1979 Kinematic diagrams Graphical symbols.pdfISO 5686-3 2024 Polygonal turret interface with flat contact surface Part 3 Coupling for driven tool holders with shanks of type F and A.pdfISO 50049 2020 Calculation methods for energy efficiency and energy consumption variations at country region and city levels.pdfGB-T 21332-2008 硬质泡沫塑料 水蒸气透过性能的测定.pdfGB-T 21772-2008 化学品 哺乳动物骨髓染色体畸变试验方法.pdfGB-T 23696-2017 证券及相关金融工具 交易所和市场识别码.pdfGB-T 17490-1998 液压控制阀 油口、底板、控制装置和电磁铁的标识.pdfGB-T 6753.2-1986 涂料表面干燥试验 小玻璃球法.pdfGB-T 25616-2010 土方机械 辅助起动装置的电连接件.pdfGB-T 43906-2024 金属材料硬钎焊质量要求.pdfGB-T 10446-2008 滑动轴承 整圆止推垫圈 尺寸和公差.pdfGB-T 10112-2019 术语工作 原则与方法.pdfGB-T 18142-2017 信息技术 数据元素值表示 格式记法.pdf
