• 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
  • GB/T 40340-2021复合材料与金属组合件 碳纤维增强聚合物基复合材料胶接或紧固件连接结构人工环境下的电偶腐蚀试验 ...2022-03-18
  • GB/T 40341-2021深海油田钻采用高强韧合金结构钢棒High strength and toughness alloy structure steel bars for de...2022-03-18
  • GB/T 40342-2021钢丝热镀锌铝合金镀层中铝含量的测定Method for determination of aluminum content in hot dipped ...2022-03-18
  • GB/T 40344.2-2021真空技术 真空泵性能测量标准方法 第2部分:容积真空泵Vacuum technology. Standard methods for me...2022-03-18
  • GB/T 40345-2021植物保护机械 确定可排放液体体积及浓度的试验方法Crop protection equipment. Test method for the...2022-03-18
  • GB/T 40346-2021植物保护机械 水平喷杆喷雾机潜在喷雾漂移试验台测量方法Equipment for crop protection. Method fo...2022-03-18