GB/T 39268-2020.General specification for GNSS navigation receivers onboard low earth orbit satellite.1范围GB/T 39268规定了低轨星载全球卫星导航系统(GNSS)导航型接收...
GB/T 39413-2020.Performance requirements and test methods for BeiDou navigation satellite system signal simulator.1范围GB/T 39413规定了北斗卫星导航系统信号模拟器的概...
GB/T 24165-2020.Determination of polychlorinated biphenyls in dye products.1范围GB/T 24165规定了采用气相色谱-质谱法(GC/MS)测定染料产品中7种指示性多氯联苯残...
GB/T 39414.3-2020.Interface specification for signal in space of BeiDou navigation satellite system-Part 3: Open service signal B1I.1范围GB/T 39414的本部分规定了北斗卫星导...
GB/T 34370.10-2020.Nondestructive testing of amusement equipments-Part 10: Magnetic memory testing.1范围.GB/T 34370的本部分规定了游乐设施磁记忆检测和结果评定方...
GB/T 20975.15-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 15 : Determination of boron content.1范围GB/T 20975的本部分规定了氢氟酸溶样-离子...
GB/T 18115.2-2020.Chemical analysis methods of rare earth impurities in rare earth metals and their oxides-Part 2 :Determination of lanthanum , praseodymium，neodymium , samarium,e...
GB/T 25795-2020.C.I. Reactive blue 250 (Reactive blue KN-RGB).1范围GB/T 25795规定了C.I.反应蓝250(反应蓝KN-RGB)产品的要求、采样、试验方法、检验规则以及标...
GB/T 20975.20-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 20 : Determination of gallium content-Butyrhodamine B spectrophotometric method.1范围GB/T 2...
GB/T 39251-2020.Additive manufacturing-Methods to characterize performance of metal powders.1范围GB/T 39251规定了增材制造用金属粉末性能表征的检测项目及取样、...
