说明:收录25万 73个行业的国家标准 支持批量下载
GB-T 24920-2010 石化工业用钢制压力释放阀
ISO IEC TR 16351 2019 Information technology — Systems and software engineering — Application management guidance on the relationship between.pdfISO IEC 8825-3 2021 Information technology — ASN.1 encoding rules — Part 3 Specification of Encoding Control Notation (ECN).pdfISO 3943 1993 Photography — Processing chemicals — Specifications for anhydrous sodium.pdfISO 25239-5 2020 Friction stir welding Aluminium Part 5 Quality and inspection requirements.pdfISO IEC 21778 2017 Information technology — The JSON data interchange syntax.pdfISO 4746-1977Oxygen-free copper. Scale adhesion test first edition.pdfISO 6539 2014 Cinnamon (Cinnamomum zeylanicum Blume) — Specification.pdfISO 6626-2 2024 Internal combustion engines Piston rings Part 2 Coil-spring-loaded oil control rings of narrow width made of cast iron.pdfISO 10545-15 2021 Ceramic tiles — Part 15 Determination of lead and cadmium given off by til.pdfISO 28921-1 2022 Industrial valves — Isolating valves for low-temperature applications — Part 1 Design, manufacturing and production testing.pdfGB-T 44839-2024 微机电系统（MEMS）技术 MEMS材料微柱压缩试验方法.pdfGB-T 28054-2023 钢质无缝气瓶集束装置.pdfGB-T 19799.2-2012 无损检测 超声检测 2号校准试块.pdfGB-T 21727-2008 固态速溶茶 儿茶素类含量的检测方法.pdfGB-T 3965-2012 熔敷金属中扩散氢测定方法.pdfGB-T 4588.1-1996 无金属化孔单双面印制板分规范.pdfGB-T 43100-2023 热喷涂 热喷涂涂层的后处理和精加工.pdfGB-T 16436.1-1996 远动设备及系统 第1部分 总则 第2篇 制定规范的导则.pdfGB-T 13823.12-1995 振动与冲击传感器的校准方法 安装在钢块上的无阻尼加速度计共振频率测试.pdfGB-T 1032-2012 三相异步电动机试验方法.pdf
