GB/T 38897-2020.Non-destructive testing-Measurement method for material elastic modulus and Poisson's ratio using ultrasoinc velocity. 1范围 GB/T 38897规

GB/T 9771.5-2020.Single-mode optical fibres for telecommunication-Part 5: Characteristics of a non-zero dispersion shifted single-mode optical fibre.

GB/T 9771.3-2020.Single-mode optical fibres for telecommunication-Part 3: Characteristics of an extended wavelength band dispersion unshifted single-m

GB/T 9771.2-2020.Single-mode optical fibres for telecommunication-Part 2: Characteristics of a cut-off wavelength shifted single- mode optical fibre.

GB/T 9771.4-2020.Single-mode optical fibres for telecommunication-Part 4: Characteristics of a dispersion shifted single-mode optical fibre. 1范围 GB/T

GB/T 26373-2020.Hygienic requirements for alcohol-based disinfectant. 1范围 GB/T 26373规定了醇类消毒剂的原料要求、技术要求、应用范围、使用方法,包装、运输和贮存、标识、标签和说明书及检验方法。 GB/T 26373适用

GB/T 26368-2020.Hygienic requirements for iodine disinfectants. 1范围 GB/T 26368规定了含碘消毒剂(碘酊、碘伏)和复合含碘消毒剂的原料要求、技术要求、应用范围、使用方法、包装、运输及贮存、标识要求和检验方法。 GB/T 263

GB/T 38831-2020.Technical requirements for IPTV media delivery system-Media distribution and storage subsystem. 1范围 GB/T 38831规定了媒体分发存储子系统在IPTV媒体交付系统中

GB/T 38932-2020.Aircraft environment control system terminology. 1范围 GB/T 38932规定了航空器环境控制系统中的常用术语。 GB/T 38932适用于航空器环境控制系统。 2术语和定义 2.1 综合术语 2.1.1 压力 2.

GB/T 38830-2020.Technical requirements for IPTV media delivery system-Global load balance subsystem. 1范围 GB/T 38830规定了全局负载均衡子系统在IPTV媒体交付系统中的位置、全局负载均衡子