全网唯一标准王
GB-T 24574-2009 硅单晶中Ⅲ-Ⅴ族杂质的光致发光测试方法
ISO 27509 2020 Petroleum and natural gas industries Compact flanged connections with IX seal ring.pdfISO 11644 2022 Leather — Test for adhesion of finish.pdfISO 11855-7 2019 Building environment design — Design, dimensioning, installation and control of embedded radiant heating and cooling systems — Part 7 Input parameters for the energy calculation.pdfISO 29463-5 2022 High-efficiency filters and filter media for removing particles in air — Part 5 Test method for filter elements.pdfISO 7996-1985Ambient air. Determination of the mass concentration of nitrogen oxides. Chemiluminesce (1).pdfISO 22009 2023 Space environment (natural and artificial) — Model of the Earth's magnetospheric magnetic field.pdfISO TR 11843-8 2021 Capability of detection — Part 8 Guidance for the implementation of the ISO 11843 series.pdfISO 2296 2018 Metal slitting saws with fine and coarse teeth — Metric series.pdfISO TR 17522 2015 Health informatics — Provisions for health applications on mobile smart devices.pdfISO 3952-3-1979Kinematic diagrams. Graphical symbols. Part 3 first edition;(cen en iso 3952-3_1994).pdfGB-T 15383-2011 气瓶阀出气口连接型式和尺寸.pdfGB-T 22586-2018 电子学特性测量 超导体在微波频率下的表面电阻.pdfGB-T 40568-2021 纳米技术 多壁碳纳米管的表征 介观形状因子.pdfGB-T 30498-2014 小艇 永久性安装的汽油和柴油燃油柜.pdfGB-T 5729-2003 电子设备用固定电阻器 第1部分 总规范.pdfGB-T 17948.1-2018 旋转电机 绝缘结构功能性评定 散绕绕组试验规程 热评定和分级.pdfGB-T 32566-2016 不锈钢焊接气瓶.pdfGB-T 19028-2023 质量管理 人员积极参与指南.pdfGB-T 1174-1992 铸造轴承合金.pdfGB-T 15448-2013 电子设备用固定电容器 第19部分 分规范 表面安装金属化聚乙烯对苯二甲酸酯膜介质直流固定电容器.pdf
