GB/T 24980-2020.Rare earth long afterglow phosphors. 1范围 GB/T 24980规定了稀土长余辉荧光粉的技术要求、试验方法、检验规则、标志、包装、运输、贮存及质量证明书。 GB/T 24980适用于经高温固相反应制得的铝酸盐体系、硅酸盐体系、硫氧

GB/T 39472-2020.Performance requirements and test methods for BeiDou navigation satellite system signal record and playback devices. 1范围 GB/T 39472规定了

GB/T 18115.1-2020.Chemical analysis methods of rare earth impurities in rare earth metals and their oxides-Part 1: Determination of cerium, praseodymi

GB/T 39414.2-2020.Interface specification for signal in space of BeiDou navigation satellite system-Part 2: Open service signal B2a. 1范围 GB/T 39414的本部

GB/T 39315.6-2020.General resource of military and civilian-Data Model-Part 6 : Facilities. 1范围 GB/T 39315的本部分规定了军民通用资源中设施类数据模型的一般要求、组成结构图、索引表、数据元取值和表

GB/T 34370.9-2020.Nondestructive testing of amusement equipments-Part 9 :Magnetic flux leakage testing. 1范围 GB/T 34370的本部分规定了游乐设施的漏磁检测和结果评价方法。 GB/T 34

GB/T 39317-2020.General resource of military and civilian-Requirement for data element mapping. 1范围 GB/T 39317规定了军民通用资源中物资数据元与军用物资和装备数据元的映射要求。 GB/T 39

GB/T 34370.7-2020.Nondestructive testing of amusement equipments-Part 7 : Eddy current testing. 1范围 GB/T 34370的本部分规定了游乐设施的涡流检测方法和覆盖层厚度测量方法。 GB/T 34370

GB/T 34370.11-2020.Nondestructive testing of amusement equipments-Part 11: Ultrasonic guided wave testing. 1 范围 GB/T 34370的本部分规定了游乐设施超声导波检测和结果评定方法。 GB

GB/T 39399-2020.General specification for BeiDou navigation satellite system geodetic receiver. 1范围 GB/T 39399规定了北斗卫星导航系统测量型接收机(以下简称接收机)的技术要求、检验方法、质量评

GB/T 39449-2020.Maintenance and management of public credit information data dictionary. 1范围 GB/T 39449规定了公共信用信息数据字典维护机构的构成与职责、数据字典的维护、管理、共享以及评价改进。 GB

GB/T 39467-2020.Specifications for precision service products of BeiDou navigation satellite system. 1范围 GB/T 39467规定了北斗卫星导航系统精密服务产品类型及文件内容、命名规则、文件格式和