GB/T 20975.14-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 14:Determination of nickel content.1范围GB/T 20975的本部分规定了丁二酮肟分光光度...
GB/T 20975.10-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 10: Determination of tin content.1范围GB/T 20975的本部分规定了苯基荧光酮分光光...
GB/T 20975.4-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 4: Determination of iron content.1范围GB/T 20975的本部分规定了邻二氮杂菲分光光度...
GB/T 20975.9-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 9: Determination of lithium content-Flame atomic absorption spectrometry.1范围GB/T 20975的本...
GB/T 20975.12-2020.Methods for chemical analysis of aluminium and aluminium alloys一Part 12 : Determination of titanium content.1范围GB/T 20975的本部分规定了二安替吡啉甲...
GB/T 20975.35-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 35: Determination of tungsten content-Thiocyanate spectrophotometric method.1范围GB/T 20975的...
GB/T 38829-2020.Technical requirements for IPTV media delivery system-Content access.1范围GB/T 38829规定了IPTV媒体交付系统的内容接入接口、内容接人通信流程和...
GB/T 26367-2020.Hygienic requirements for biguanides disinfectants.1范围GB/T 26367规定了胍类消毒剂的原料要求、技术要求、应用范围、使用方法、运输、贮...
GB/T 20975.3-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 3 :Determination of copper content.1范围GB/T 20975的本部分规定了新亚铜灵分光光度...
GB/T 38796-2020.Performance requirements and test methods of automobile blow-out emergency safety device.1范围GB/T 38796规定了汽车爆胎应急安全装置的术语和定义、技...
