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  •  China "U" GB Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 40420.4-2021 Broadband cUstomer gateway virtualization based on public telecommunication network—Part 4:Technical requirements for physical business gateway
    基于公用电信网的宽带客户网关虚拟化 第4部分：实体企业网关技术要求    		 China National Standards
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    GB/T 40420.3-2021 Broadband cUstomer gateway virtualization based on public telecommunication network—Part 3 ：Technical requirements for physical residential gateway
    基于公用电信网的宽带客户网关虚拟化 第3部分：实体家庭网关技术要求    		 China National Standards
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    GB/T 40420.2-2021 Broadband cUstomer gateway virtualization based on public telecommunication network—Part 2 ：Technology requirements of voice virtualization
    基于公用电信网的宽带客户网关虚拟化 第2部分：语音虚拟化技术要求    		 China National Standards
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    GB/T 40572-2021 MUltimedia interaction over multiple terminals—Technical specification on multimedia interaction based on non-local network
    多屏互动 基于远程网络的终端间互动技术要求    		 China National Standards
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    GB/T 40570-2021 MUltimedia interaction over multiple terminals—Technical specification on multimedia interaction based on local network
    多屏互动 基于本地网络的终端间互动技术要求    		 China National Standards
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    GB/T 40573-2021 MUltimedia interaction over multiple terminals—Scenarios and requirements
    多屏互动 业务场景和需求    		 China National Standards
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    GB/T 40812-2021 Container transportation electronic data interchange—Container stUffing/stripping message
    集装箱运输电子数据交换 装箱单报文    		 China National Standards
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    GB/T 22431-2021 Container transportation electronic data interchange -- Vessel departUre message
    集装箱运输电子数据交换 船舶离港报文    		 China National Standards
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    GB/T 22430-2021 Container transportation electronic data interchange—Gate-in/gate-oUt message
    集装箱运输电子数据交换 集装箱进/出门报告报文    		 China National Standards
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    GB/T 40421-2021 Health informatics—Messages and commUnication—Web access to DICOM persistent objects
    健康信息学 消息与通信 DICOM持久对象的网络访问    		 China National Standards
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    GB/T 28504.3-2021 Rare earth doped optical fibre—Part 3:Characteristics of doUble-cladding erbium-ytterbium co-doped optical fibre
    掺稀土光纤 第3部分：双包层铒镱共掺光纤特性    		 China National Standards
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    GB/T 28504.2-2021 Rare earth doped optical fibre—Part 2:Characteristics of doUble-cladding thulium-doped optical fibre
    掺稀土光纤 第2部分：双包层掺铥光纤特性    		 China National Standards
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    GB/T 40678-2021 General specification for PXI bUs modules
    PXI总线模块通用规范    		 China National Standards
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    GB/T 40676-2021 General specification for PXI Express bUs modules
    PXI Express总线模块通用规范    		 China National Standards
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    GB/T 40677-2021 MiniatUre heat pipe
    微型导热管    		 China National Standards
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    GB/T 15972.49-2021 Specifications for optical fibre test methods—Part 49: MeasUrement methods and test procedures for transmission characteristics—Differential mode delay
    光纤试验方法规范 第49部分：传输特性的测量方法和试验程序 微分模时延    		 China National Standards
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    GB/T 15972.32-2021 Specifications for optical fibre test methods—Part 32： MeasUrement methods and test procedures for mechanical characteristics—Coating strippability
    光纤试验方法规范 第32部分：机械性能的测量方法和试验程序 涂覆层可剥性    		 China National Standards
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    GB/T 40564-2021 Test method of epoxy molding compoUnd for electronic packaging
    电子封装用环氧塑封料测试方法    		 China National Standards
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    GB/T 40778.1-2021 Internet of things—Web-oriented open service system implementation—Part 1:Reference architectUre
    物联网 面向Web开放服务的系统实现 第1部分：参考架构    		 China National Standards
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    GB/T 23827-2021 Road traffic sign plate and sUpport
    道路交通标志板及支撑件    		 China National Standards
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    GB/T 40709-2021 Technical reqUirements for swell compensator of trailing suction hopper dredger
    耙吸挖泥船波浪补偿器技术要求    		 China National Standards
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    GB/T 40656.1-2021 Smart city—Urban operation center—Part 1: General requirements
    智慧城市 运营中心 第1部分：总体要求    		 China National Standards
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    GB/T 29618.5120-2021 Field device tool (FDT) interface specification—Part 5120:CommUnication implementation for common object model—IEC 61784 CPF 2
    现场设备工具（FDT）接口规范 第5120部分:通用对象模型的通信实现 IEC 61784 CPF 2    		 China National Standards
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    GB/T 29618.5110-2021 Field device tool (FDT) interface specification—Part 5110: CommUnication implementation for common object model—IEC 61784 CPF 1
    现场设备工具(FDT)接口规范 第5110部分:通用对象模型的通信实现 IEC 61784 CPF 1    		 China National Standards
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    GB/T 40865-2021 Terminology for voltage soUrce converter based high voltage direct current(VSC-HVDC) transmission
    柔性直流输电术语    		 China National Standards
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    GB/T 40715-2021 Specification of precast concrete cUrtain wall panel
    装配式混凝土幕墙板技术条件    		 China National Standards
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    GB/T 15628.1-2021 Classification codes of China faUna—Part 1: Vertebrates
    中国动物分类代码 第1部分：脊椎动物    		 China National Standards
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    GB/T 40568-2021 Nanotechnologies—Characterization of mUltiwall carbon nanotubes—Mesoscopic shape factors
    纳米技术 多壁碳纳米管的表征 介观形状因子    		 China National Standards
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    GB/T 18910.61-2021 LiqUid crystal display devices—Part 6-1:Measuring methods for liquid crystal display devices—Photoelectric parameter
    液晶显示器件 第6-1部分：液晶显示器件测试方法 光电参数    		 China National Standards
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    GB/T 18910.203-2021 LiqUid crystal display devices—Part 20-3:Visual inspection—Active matrix colour liquid crystal display modules
    液晶显示器件 第20-3部分：目检 有源矩阵彩色液晶显示模块    		 China National Standards
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    GB/T 40652-2021 Information secUrity technology—Guide to malware incident prevention and handling
    信息安全技术 恶意软件事件预防和处理指南    		 China National Standards
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    GB/T 40653-2021 英文名称：Information secUrity technology—Technical requirements for security processor
    信息安全技术 安全处理器技术要求    		 China National Standards
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    GB/T 40614-2021 Technical reqUirment of performance evaluation for solar thermal power plant
    光热发电站性能评估技术要求    		 China National Standards
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    GB/T 40868-2021 Planning and design of controlled environments for research and prodUction at the nanometer scale
    纳米尺度科研生产受控环境规划与设计    		 China National Standards
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    GB/T 40674-2021 Fireworks and firecrackers—EvalUation method of environmental protection
    烟花爆竹 环保评价方法    		 China National Standards
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    GB/T 40786.2-2021 Information technology—TelecommUnications and information exchange between systems—Low voltage power line communication—Part 2: Data link layer specification
    信息技术 系统间远程通信和信息交换 低压电力线通信 第2部分:数据链路层规范    		 China National Standards
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    GB/T 40786.1-2021 Information technology—TelecommUnications and information exchange between systems—Low voltage power line communication—Part 1: Physical layer specification
    信息技术 系统间远程通信和信息交换 低压电力线通信 第1部分：物理层规范    		 China National Standards
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    GB/T 6346.24-2021 Fixed capacitors for Use in electronic equipment—Part 24: Sectional specification—Fixed tantalum electrolytic surface mount capacitors with conductive polymer solid electrolyte
    电子设备用固定电容器 第24部分：分规范 表面安装导电聚合物固体电解质钽固定电容器    		 China National Standards
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    GB/T 40562-2021 Potentiometers for Use in electronic equipment—Part 6:Sectional specification—Surface mount preset potentiometers
    电子设备用电位器 第6部分：分规范 表面安装预调电位器    		 China National Standards
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    GB/T 40746-2021 Freshwater nUcleated pearl
    淡水有核珍珠    		 China National Standards
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    GB/T 40862-2021 GUide for reliability evaluation indices of operational transmissionand transformation installation
    输变电设施运行可靠性评价指标导则    		 China National Standards
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    GB/T 40747-2021 Determination of fermentable organic matter(FOM) of rUminant feedstuffs in rumen
    饲料瘤胃可发酵有机物(FOM)测定方法    		 China National Standards
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    GB/T 40640.2-2021 Informationalized management of chemicals—Part 2:Information secUrity
    化学品管理信息化 第2部分：信息安全    		 China National Standards
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    GB/T 20115.1-2021 Basic specifications for indUstrial fuel fired installations—Part 1：General
    工业燃料加热装置基本技术条件 第1部分：通用部分    		 China National Standards
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    GB/T 40864-2021 Technical reqUirements for relaying protection of flexible alternating current transmission equipment connecting to the system
    柔性交流输电设备接入电网继电保护技术要求    		 China National Standards
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    GB/T 40743-2021 QUality grades of kiwifruit
    猕猴桃质量等级    		 China National Standards
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    GB/T 40631-2021 QUality grade of pistachio nut
    阿月浑子（开心果）坚果质量等级    		 China National Standards
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    GB/T 40827-2021 Code of practice of postharvest handling technology of loqUat fruit
    枇杷采后处理技术规程    		 China National Standards
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    GB/T 40751-2021 Detection and identification of AgrilUs planipennis Fairmaire
    花曲柳窄吉丁检疫鉴定方法    		 China National Standards
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    GB/T 40626-2021 Detection and identification of Xanthomonas popUli ( ex Ridé 1958 ) Ridé &Ridé 1992
    杨树细菌性溃疡病菌检疫鉴定方法    		 China National Standards
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    GB/T 40663-2021 GUidelines for environmental performance evaluation in electrical and electronic enterprises
    电工电子企业环境绩效评价指南    		 China National Standards
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    GB/T 40773-2021 Technical specification of monitoring and control system for aUxiliary facilities in substation
    变电站辅助设施监控系统技术规范    		 China National Standards
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    GB/T 40750-2021 Biogas slUrry for agricultural use
    农用沼液    		 China National Standards
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    GB/T 40661-2021 Calibration specification of measUrement instrument for power frequency magnetic field
    工频磁场测量仪校准规范    		 China National Standards
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    GB/T 40835-2021 Feed safety evalUation—Determination of rumen degradation of ruminant feedstuffs—Code of practice in feeding trail of cattle
    畜禽饲料安全评价 反刍动物饲料瘤胃降解率测定 牛饲养试验技术规程    		 China National Standards
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    GB/T 40837-2021 Feed safety evalUation—Code of practice for the feeding trial of layers
    畜禽饲料安全评价 蛋鸡饲养试验技术规程    		 China National Standards
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    GB/T 40830-2021 Code of practice for the determination of feed trUe ileal digestible amino acids for pigs (Simple T-cannulation)
    猪饲料真可消化氨基酸测定技术规程(简单T型瘘管法)    		 China National Standards
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    GB/T 40873-2021 The expertise for oceanic cobalt-rich ferromanganese crUsts exploration
    大洋富钴结壳资源勘查规程    		 China National Standards
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    GB/T 5169.9-2021 Fire hazard testing for electric and electronic prodUcts—Part 9:Guidance for assessing the fire hazard—Preselection testing procedures—General guidelines
    电工电子产品着火危险试验 第9部分：着火危险评定导则 预选试验程序 总则    		 China National Standards
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    GB/T 5169.2-2021 Fire hazard testing for electric and electronic prodUcts—Part 2: Guidance for assessing the fire hazard—General guidelines
    电工电子产品着火危险试验 第2部分：着火危险评定导则 总则    		 China National Standards
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    GB/T 3836.35-2021 Explosive atmospheres—Part 35：Classification of areas for explosive dUst atmospheres
    爆炸性环境 第35部分：爆炸性粉尘环境场所分类    		 China National Standards
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    GB/T 3836.29-2021 Explosive atmospheres—Part 29:Non-electrical eqUipment for explosive atmospheres—Constructional safety “c”,control of ignition source “b”, liquid immersion “k”
    爆炸性环境 第29部分：爆炸性环境用非电气设备 结构安全型“c”、控制点燃源型“b”、液浸型“k”    		 China National Standards
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    GB/T 3836.28-2021 Explosive atmospheres—Part 28：Non-electrical eqUipment for explosive atmospheres—Basic method and requirements
    爆炸性环境 第28部分：爆炸性环境用非电气设备 基本方法和要求    		 China National Standards
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    GB/T 3836.31-2021 Explosive atmospheres—Part 31:EqUipment dust ignition protection by enclosure “t”
    爆炸性环境 第31部分: 由防粉尘点燃外壳“t”保护的设备    		 China National Standards
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    GB/T 3836.13-2021 Explosive atmospheres—Part 13: EqUipment repair, overhaul, reclamation and modification
    爆炸性环境 第13部分：设备的修理、检修、修复和改造    		 China National Standards
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    GB/T 3836.8-2021 Explosive atmospheres—Part 8: EqUipment protection by type of protection “n”
    爆炸性环境 第8部分：由“n”型保护的设备    		 China National Standards
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    GB/T 3836.5-2021 Explosive atmospheres—Part 5:EqUipment protection by pressurized enclosure p
    爆炸性环境 第5部分：由正压外壳“p”保护的设备    		 China National Standards
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    GB/T 40644-2021 Determination of geniposidic acid in extract of eUcommia ulmoides oliver leaf—HPLC
    杜仲叶提取物中京尼平苷酸的检测 高效液相色谱法    		 China National Standards
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    GB/T 40643-2021 Determination of hyperoside in extract of crataegUs pinnatifida leaf—HPLC
    山楂叶提取物中金丝桃苷的检测 高效液相色谱法    		 China National Standards
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    GB/T 40642-2021 Determination of 1-deoxynojirimycin in extract of mUlberry leaf—HPLC
    桑叶提取物中1-脱氧野尻霉素的检测 高效液相色谱法    		 China National Standards
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    GB/T 40641-2021 Determination of polyprenol from pine needles—High performance liqUid chromatography
    松针聚戊烯醇含量的测定 高效液相色谱法    		 China National Standards
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    GB/T 40660-2021 Information secUrity technology—General requirements for biometric information protection
    信息安全技术 生物特征识别信息保护基本要求    		 China National Standards
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    GB/T 40651-2021 Information secUrity technique—Entity authentication assurance framework
    信息安全技术 实体鉴别保障框架    		 China National Standards
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    GB/T 40650-2021 Information secUrity technology—Trusted computing specification—Trusted platform control module
    信息安全技术 可信计算规范 可信平台控制模块    		 China National Standards
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    GB/T 40621-2021 Drawing method of cloUd-to-ground lightning density distribution map
    地闪密度分布图绘制方法    		 China National Standards
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    GB/T 12690.4-2021 Chemical analysis methods for non-rare earth impUrities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method
    稀土金属及其氧化物中非稀土杂质化学分析方法 第4部分：氧、氮量的测定 脉冲-红外吸收法和脉冲-热导法    		 China National Standards
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    GB/T 40798-2021 Chemical analysis method of ion-adsorption rare earth ore—Determination of total rare earth contents—IndUctively coupled plasma mass spectrometry
    离子型稀土原矿化学分析方法 稀土总量的测定 电感耦合等离子体质谱法    		 China National Standards
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    GB/T 40795.2-2021 Chemical analysis methods of lanthanUm-cerium metals and their compounds—Part 2:Determination of rare earth content
    镧铈金属及其化合物化学分析方法 第2部分：稀土量的测定    		 China National Standards
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    GB/T 40795.1-2021 Chemical analysis method of lanthanUm-cerium metals and their compounds—Part 1:Determination of cerium content—Ammonium ferrous sulfate titration method
    镧铈金属及其化合物化学分析方法 第1部分：铈量的测定 硫酸亚铁铵滴定法    		 China National Standards
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    GB/T 40854-2021 LanthanUm-cerium metal
    镧铈金属    		 China National Standards
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    GB/T 40790-2021 Sintered ceriUm-based and cerium-rich permanent magnet materials
    烧结铈及富铈永磁材料    		 China National Standards
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    GB/T 22271.2-2021 Plastics -- Polyoxymethylene(POM) moUlding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties
    塑料 聚甲醛（POM）模塑和挤出材料 第2部分：试样制备和性能测定    		 China National Standards
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    GB/T 13542.2-2021 Plastic films for electrical pUrposes—Part 2:Methods of test
    电气绝缘用薄膜 第2部分：试验方法    		 China National Standards
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    GB/T 22271.1-2021 Plastics -- Polyoxymethylene(POM) moUlding and extrusion materials -- Part 1: Designation system and basis for specification
    塑料 聚甲醛（POM）模塑和挤出材料 第1部分：命名系统和分类基础    		 China National Standards
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    GB/T 40791-2021 Non-destrUctive testing of steel tubes—Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections
    钢管无损检测 焊接钢管焊缝缺欠的射线检测    		 China National Standards
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    GB/T 40729-2021 FatigUe life test method for precision gear transmission
    精密齿轮传动装置疲劳寿命试验方法    		 China National Standards
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    GB/T 40796-2021 Corrosion of metals and alloys—GUidelines for applying statistics to analysis of corrosion data
    金属和合金的腐蚀 腐蚀数据分析应用统计学指南    		 China National Standards
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    GB/T 15514-2021 Codes for ports and other locations of the People's RepUblic of China
    中华人民共和国口岸及相关地点代码    		 China National Standards
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    GB/T 40792-2021 Test method of weight loss of sintered neodymiUm iron boron permanent magnets
    烧结钕铁硼永磁体失重试验方法    		 China National Standards
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    GB/T 40793-2021 Nonmetallic coatings for sintered neodymiUm iron boron permanent magnets
    烧结钕铁硼表面涂层    		 China National Standards
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    GB/T 23884-2021 Determination of biogenic amines in animal-derived feeds—High performance liqUid chromatography
    动物源性饲料中生物胺的测定 高效液相色谱法    		 China National Standards
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    GB/T 40712-2021 General technical specification for mUltipurpose goods vehicle
    多用途货车通用技术条件    		 China National Standards
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    GB/T 40817.2-2021 Specification for nUclear power reactor coolant pump motor—Part 2:Asynchronous motor for canned motor pump
    核电主泵电机技术条件 第2部分：屏蔽泵异步电机    		 China National Standards
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    GB/T 40817.1-2021 Specification for nUclear power reactor coolant pump motor—Part 1:Asynchronous motor for shaft sealing pump
    核电主泵电机技术条件 第1部分：轴封泵异步电机    		 China National Standards
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    GB/T 9089.1-2021 Electrical installations for oUtdoor sites under heavy conditions—Part 1: Vocabulary
    户外严酷条件下的电气设施 第1部分：术语    		 China National Standards
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    GB/T 24621.1-2021 Application gUide for electric safety of low-voltage switchgear and controlgear assemblies—Part 1: switchgear assemblies
    低压成套开关设备和控制设备的电气安全应用指南 第1部分：成套开关设备    		 China National Standards
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    GB/T 26277-2021 Test method for measUring electrical resistance of tyres
    轮胎电阻测量方法    		 China National Standards
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    GB/T 18115.4-2021 Chemical analysis methods of rare earth impUrities in rare earth metals and their oxides -- Part 4: Determination of lanthanum, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 第4部分：钕中镧、铈、镨、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定    		 China National Standards
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    GB/T 12690.7-2021 Chemical analysis methods for non-rare earth impUrities of rare earth metals and their oxides—Part 7: Determination of silicon content
    稀土金属及其氧化物中非稀土杂质化学分析方法 第7部分：硅量的测定    		 China National Standards
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    GB/T 36450.2-2021 Information technology—Storage management—Part 2: Common architectUre
    信息技术 存储管理 第2部分：通用架构    		 China National Standards
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