说明:收录25万 73个行业的国家标准 支持批量下载
GB-T 29167-2012 石油天然气工业 管道输送系统 基于可靠性的极限状态方法
ISO IEC 13335-5 信息技术安全管理指导方针－外部连接的安全措施.pdfISO 20482 2013 Metallic materials — Sheet and strip — Erichsen cupping test.pdfISO 37113 2024 Sustainable cities and communities Guidance for managing a public-health emergency response in smart city operating models.pdfISO 549 1981 Manganese ores Determination of combined water content Gravimetric method.pdfISO TS 16479 2012 Thermoplastics pipes for the conveyance of fluids — Determination of the slow cracking resistance of pipes and fittings using the Notched Ring Test (NRT).pdfISO 19281 2016 Air cargo — Fire resistant containers — Design, performance and testing.pdfISO IEC 13250-3 2013 Information technology — Topic Maps — Part 3 XML syntax.pdfISO 11857 1999 Textile floor coverings — Determination of resistance to delamination.pdfISO IEC 15909-1 2019 Systems and software engineering — High-level Petri nets — Part 1 Concepts, definitions and graphical notation.pdfISO 2951 2019 Rubber, vulcanized rubber — Determination of insulation resistance.pdfGB-T 17560-1998 数据的统计处理和解释 中位数的估计.pdfGB-T 44940-2024 鞋类和鞋类部件 抗真菌性能定性评估试验方法（生长测试）.pdfGB-T 23805-2009 精细陶瓷室温拉伸强度试验方法.pdfGB-T 22500-2024 动植物油脂 紫外吸光度的测定.pdfGB-T 25318-2019 绝缘子串元件球窝联接用锁紧销 尺寸和试验.pdfGB-T 7594.4-1987 电线电缆橡皮绝缘和橡皮护套 第4部分 65℃一般橡皮护套.pdfGB-T 36234-2018 钛及钛合金、锆及锆合金熔化焊焊工技能评定.pdfGB-T 44409.1-2024 机车车辆空气调节系统 第1部分 术语与定义.pdfGB-T 17953-2012 标准清晰度电视4 2 2数字分量视频信号接口.pdfGB-T 32725-2016 实验室测定微生物过程、生物量与多样性用土壤的好氧采集、处理及贮存指南.pdf
