全网唯一标准王
玺承集团 2021年汽车后市场分析及线上市场展望-2021
ISO 4496 2017 Metallic powders — Determination of acid-insoluble content in iron, copper, tin and bronze powders.pdfISO 21214 2015 Intelligent transport systems — Communications access for land mobiles (CALM) — Infra-red systems.pdfISO 23872 2021 Mining structures — Underground structures.pdfISO 14388-1 2014 Soil quality — Acid-base accounting procedure for acid sulfate soils — Part 1 Introduction and definitions, symbols and acronyms, sampling and sample.pdfISO 11268-2 2023 Soil quality — Effects of pollutants on earthworms — Part 2 Determination of effects on reproduction of Eisenia fetida Eisenia andrei and ot.pdfISO 23702-1 2023 Leather — Per- and polyfluoroalkyl substances — Part 1 Determinati.pdfISO IEC TR 20547-1 2020 Information technology — Big data reference architecture —.pdfISO 11999-9 2016 PPE for firefighters — Test methods and requirements for PPE used by firefighters who are at risk of exposure to high levels of heat.pdfISO 9712 2021 Non-destructive testing Qualification and certification of NDT personnel.pdfISO 1833-13 2019 Textiles Quantitative chemical analysis Part 13 Mixtures of certain chlorofibres with certain other fibres (method using carbon disulfide-acetone).pdfGB-T 31496-2023 信息技术 安全技术 信息安全管理体系 指南.pdfGB-T 11299.4-1989 卫星通信地球站无线电设备测量方法 第一部分 分系统和分系统组合通用的测量 第四节 基带测量.pdfGB-T 22356-2008 土方机械 钥匙锁起动系统.pdfGB-T 27849-2011 化学品 降解筛选试验 化学需氧量.pdfGB-T 37402-2019 仿生学 仿生结构优化.pdfGB-T 29414-2012 散热器恒温控制阀.pdfGB-T 15144-2020 管形荧光灯用交流和-或直流电子控制装置 性能要求.pdfGB-T 9711-2023 石油天然气工业 管线输送系统用钢管.pdfGB-T 1413-2008 系列1集装箱 分类、尺寸和额定质量.pdfGB-T 24327-2009 纸浆 实验室湿解离 化学浆解离.pdf
