GB 30533-2014 学校安全与健康设计通用规范
ISO 15792-1 2020 Welding consumables Test methods Part 1 Preparation of all-weld metal test pieces and specimens in steel nickel and nickel alloys.pdf
ISO 12977 1999 Carbonaceous materials for use in the production of aluminium — Pitch for electrodes — Determination of volatile matter content.pdf
ISO 37156 2020 Smart community infrastructures Guidelines on data exchange and sharing for smart community infrastructures.pdf
ISO 22673 2008 Ships and marine technology — Launching appliances for free-fall lifeboats.pdf
ISO 21502-2020.pdf
ISO 11897 1999 Packaging Sacks made from thermoplastic flexible film Tear propagation on edge folds.pdf
ISO 8829-1 2009 Aerospace — Test methods for polytetrafluoroethylene (PTFE) inner-tube hose assemblies — Part 1 Metallic (stainless steel) braid.pdf
ISO 19056-3 2022 Microscopes — Definition and measurement of illumination properties — Part 3 Incident light fluorescence microscopy with incoherent light sources.pdf
ISO 7765-1-1988Plastics film and sheeting. Determination of impact resistance by the free-falling da.pdf
ISO 11271 2022 Soil quality — Determination of redox potential — Field method.pdf
GB-T 34861-2017 确定大电机各项损耗的专用试验方法.pdf
GB-T 3229-2018 螺栓螺母用装配工具 手动和机动螺刀头的传动端和连接部件的尺寸及扭矩试验.pdf
GB-T 20243.1-2006 声学 道路表面对交通噪声影响的测量 第1部分 统计通过法.pdf
GB-T 7722-2020 电子台案秤.pdf
GB-T 6070-2007 真空技术 法兰尺寸.pdf
GB-T 24823-2024 普通照明用LED模块 性能规范.pdf
GB-T 2930.3-2017 草种子检验规程 其他植物种子数测定.pdf
GB-T 26957-2022 金属材料焊缝破坏性试验 十字接头和搭接接头拉伸试验方法.pdf
GB-T 3164-2007 真空技术 图形符号.pdf
GB-T 28809-2012 轨道交通 通信、信号和处理系统 信号用安全相关电子系统.pdf