• GB/T 40299-2021金属和合金的腐蚀 腐蚀试验电化学测量方法适用惯例Corrosion of metals and alloys. Conventions ap...2022-03-18
  • GB/T 40300-2021微束分析 分析电子显微学 术语Microbeam analysis. Analytical electron microscopy. Vocabulary...2022-03-18
  • GB/T 40302-2021塑料 立式软薄试样与小火焰源接触的燃烧性能测定Plastics. Determination of burning behaviour of ...2022-03-18
  • GB/T 40303-2021GH4169合金棒材通用技术条件General specification for GH4169 alloy bars2022-03-18
  • GB/T 40304-2021钢中非金属夹杂物含量的测定 钢坯全截面法Determination of content of nonmetallic inclusions in ...2022-03-18
  • GB/T 40305-2021现场设备集成 EDD与OPC UA集成技术规范Field device integration. EDD and OPC UA integration tech...2022-03-18
  • GB/T 40309-2021电动平衡车 电磁兼容 发射和抗扰度要求Electrical self-balancing vehicle. Electromagnetic compat...2022-03-18
  • GB/T 40312-2021磷铁 磷、硅、锰和钛含量的测定 波长色散X射线荧光光谱法(熔铸玻璃片法)Ferrophosphorus. Determinati...2022-03-18
  • GB/T 40313-2021变形高温合金盘锻件Specification for wrought superalloy forging disks2022-03-18
  • GB/T 40314-2021金属和合金的腐蚀 适用于不锈钢平板或管状试样的碟形弹簧缝隙腐蚀构型Corrosion of metals and allo...2022-03-18
  • GB/T 40315-2021塑料 采用水溶液保持湿度恒定进行状态调节和试验的小密闭容器Plastics-Small enclosures for condit...2022-03-18
  • GB/T 40316-2021汽车结构用高强度异型及圆形焊接钢管Welded high strength shaped and round steel tubes for autom...2022-03-18
  • GB/T 40317-2021氧气管线用不锈钢无缝钢管Seamless stainless steel pipes for oxygen pipeline2022-03-18
  • GB/T 40318-2021塑料 环境因素 标准中环境因素的通则Plastics. Environmental aspects. General guidelines for the...2022-03-18
  • GB/T 40320-2021铝合金力学熔点测试方法Measuring method for mechanical melting temperature of aluminum alloy...2022-03-18
  • GB/T 40321-2021高强高韧型Al-Zn-Mg-Cu系铝合金板材High strength and toughness AI-Zn-Mg-Cu series aluminium all...2022-03-18
  • GB/T 40322-2021热塑性弹性体 家用和类似用途制冷器具用门密封材料规范Thermoplastic elastomer. Specifications of...2022-03-18
  • GB/T 40323-2021纺织染整助剂产品中八甲基环四硅氧烷(D4)、十甲基环五硅氧烷(D5)和十二甲基环六硅氧烷(D6)的测定Deter...2022-03-18
  • GB/T 40325-2021轨道车辆轮对滚动轴承橡胶密封装置性能试验Performance test for rubber sealing device of railway...2022-03-18
  • GB/T 40326-2021实验室设备能效等级 药品稳定性试验箱Energy efficiency grades for laboratory equipment. Drug st...2022-03-18
  • GB/T 40327-2021轮式移动机器人导引运动性能测试方法Test methods of guided motion performance for wheeled mobil...2022-03-18
  • GB/T 40329-2021工业机械电气设备及系统 数控PLC编程语言Electrical equipment and system of industrial machines....2022-03-18
  • GB/T 40338-2021金属和合金的腐蚀 铝合金剥落腐蚀试验Corrosion of metals and alloys. Exfoliation corrosion test...2022-03-18
  • GB/T 40339-2021金属和合金的腐蚀 服役中检出的应力腐蚀裂纹的重要性评估导则Corrosion of metals and alloys-Guide...2022-03-18