说明:收录25万 73个行业的国家标准 支持批量下载
GB-T 21919-2022 检验医学 运行参考测量程序的校准实验室的能力要求
ISO 6934-3 1991 Steel for the prestressing of concrete Part 3 Quenched and tempered wire.pdfISO 2445 1972 Joints in building — Fundamental principles for design.pdfISO 14533-2 2021 Processes, data elements and documents in commerce, industry and administration — Long term signature — Part 2 Profiles for XML Advanced Electronic Signatures (XAdES).pdfISO 3385 2014 Flexible cellular polymeric materials — Determination of fatigue by constant-load pounding.pdfISO 5348 2021 Mechanical vibration and shock — Mechanical mounting of accelerometers.pdfISO 14122-4 2016 Safety of machinery — Permanent means of access to machinery — Part 4 Fixed ladders.pdfISO 21300 2019 Traditional Chinese medicine — Guidelines and specification for Chinese materia medica.pdfISO 22810 2010 Horology — Water-resistant watches.pdfISO 5456-2 1996 Technical drawings — Projection methods — Part 2 Orthographic representations.pdfISO 705 2015 Rubber latex — Determination of density between 5 degrees C and 40 degrees C.pdfGB-T 23540-2021 涂附磨具 装有卡盘或未装卡盘的砂页轮.pdfGB-T 34962-2017 信息技术 系统间远程通信和信息交换 休眠主机代理.pdfGB-T 3535-2006 石油产品倾点测定法.pdfGB-T 19319-2010 小艇 防止人员落水和重新登艇.pdfGB-T 32592-2023 轨道交通 受流系统 受电弓与接触网动态相互作用测量的要求和验证.pdfGB-T 21526-2008 结构胶粘剂 粘接前金属和塑料表面处理导则.pdfGB-T 11449.2-1989 波导法兰盘 第二部分 普通矩形波导法兰盘规范.pdfGB-T 38611-2020 办公家具 办公工作椅 稳定性、强度和耐久性测试方法.pdfGB-T 3098.5-2016 紧固件机械性能 自攻螺钉.pdfGB-Z 42153-2022 波浪能转换装置预样机测试规程.pdf
