• GB/T 40375-2021金属连接(紧固)结构耐蚀作业技术规范Technical specification of corrosion control operation for me...2022-03-18
  • GB/T 40377-2021金属和合金的腐蚀 交流腐蚀的测定 防护准则Corrosion of metals and alloys. Determination of AC c...2022-03-18
  • GB/T 40378-2021化学实验室废水处理装置技术规范Technical specification of treatment equipments for chemistry l...2022-03-18
  • GB/T 40379-2021户用和类似用途组合式空气处理机组Multifunctional air-handling unit for residential and similar...2022-03-18
  • GB/T 40380.1-2021金属粉末 高温时松装密度和流速的测定 第1部分:高温时松装密度的测定Metallic powders. Determinat...2022-03-18
  • GB/T 40380.2-2021金属粉末 高温时松装密度和流速的测定 第2部分:高温时流速的测定Metallic powders. Determination ...2022-03-18
  • GB/T 40381-2021激光窗口用蓝宝石晶体板状材料规范Specification of sapphire plate for laser window...2022-03-18
  • GB/T 40383-2021商品级双辊铸轧热轧碳素钢薄钢板及钢带Hot-rolled twin-roll cast carbon steel sheet and strip of...2022-03-18
  • GB/T 40384-2021塑料 聚合物熔体瞬态拉伸黏度的测定Plastics. Determination of the transient extensional viscosi...2022-03-18
  • GB/T 40385-2021钢管无损检测 焊接钢管焊缝缺欠的数字射线检测Non-destructive testing of steel tubes. Digital ra...2022-03-18
  • GB/Z 40387-2021金属材料 多轴疲劳试验设计准则Metallic materials. Principles and designs for multiaxial fatigu...2022-03-18
  • GB/T 40388-2021碳/碳复合材料剪切强度试验方法Test method for shear strength of C/C composites2022-03-18
  • GB/T 40389-2021烧结金属材料(不包括硬质合金) 表面粗糙度的测定Sintered metal materials,excluding hardmetals-Measu...2022-03-18
  • GB/T 40390-2021独立新风空调设备评价要求Evaluation requirements for dedicated outdoor air conditioning equipm...2022-03-18
  • GB/T 40391-2021铝基复合圆片Aluminum matrix composite wafers2022-03-18
  • GB/T 40392-2021循环冷却水中军团菌的检测Detection of Legionella in circulating cooling water2022-03-18
  • GB/T 40393-2021金属和合金的腐蚀 奥氏体不锈钢晶间腐蚀敏感性加速腐蚀试验方法Corrosion of metals and alloys. Ac...2022-03-18
  • GB/T 40394-2021工业用甲醇中痕量三甲胺含量的测定 气相色谱质谱联用法Determination of trace trimethylamine in m...2022-03-18
  • GB/T 40395-2021工业用甲醇中铵离子的测定 离子色谱法Determination of ammonium in methanol for industrial use. ...2022-03-18
  • GB/T 40396-2021聚合物基复合材料玻璃化转变温度试验方法 动态力学分析法(DMA)Test method for glass transition temp...2022-03-18
  • GB/T 40397-2021户式新风除湿机Household outdoor air dehumidifier2022-03-18
  • GB/T 40398.1-2021炭-炭复合炭素材料试验方法 第1部分:摩擦磨损性能试验Test method for C-C composites. Part 1:Fri...2022-03-18
  • GB/T 40398.2-2021炭-炭复合炭素材料试验方法 第2部分:弯曲性能试验Test method for C-C composites. Part 2:Flexura...2022-03-18
  • GB/T 40400-2021建筑窗饰产品 防勒试验方法Window decoration for building. Test methods of protection from stra...2022-03-18