GB/T 27947-2020.Hygienic requirements for phenol disinfectant.1范围GB/T 27947规定了酚类消毒剂的原料和技术要求、应用范围、使用方法、运输、贮存和包装...
GB/T 20975.16-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 16 : Determination of magnesium content.1范围GB/T 20975的本部分规定了CDTA滴定法、火...
GB/T 20975.24-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 24 : Determination of total rare earth content.1范围GB/T 20975的本部分规定了三溴偶氮...
GB/T 20975.18-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 18 : Determination of chromium content.1范围GB/T 20975的本部分规定了萃取分离-二苯...
GB/T 38827-2020.Technical requirements for IPTV media delivery system-Functional architecture.1范围GB/T 38827规定了IPTV媒体交付系统在IPTV业务系统中的位置、体系架...
GB/T 20975.5-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 5: Determination of silicon content.1范围GB/T 20975的本部分规定了钼蓝分光光度法和...
GB/T 20975.7-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 7 :Determination of manganese content.1范围GB/T 20975的本部分规定了高碘酸钾分光光...
GB/T 38828-2020.Technical requirements for IPTV media delivery system-Use cases and requirements.1范围GB/T 38828规定了IPTV媒体交付系统的应用场景和需求,主要包括媒...
GB/T 38826-2020.Technical requirements for IPTV media delivery system-General requirements.1范围GB/T 38826规定了IPTV媒体交付系统的总体要求,具体包括:媒体交付系...
GB/T 20975.23-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 23 :Determination of antimony content.1范围GB/T 20975的本部分规定了碘化钾分光光度...
