China 4: GB Standards List

China "4:" GB Standards List:

Standard Code	Standard Title	Standard Class	Order
GB/T 7739.4-2021	Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content 金精矿化学分析方法第4部分：铜量的测定	China National Standards 4:	English PDF
GB/T 20720.4-2021	Enterprise-control system integration—Part 4:Object model attributes for manufacturing operations management integration 企业控制系统集成第4部分：制造运行管理集成的对象模型属性	China National Standards 4:	English PDF
GB/T 18916.54-2021	Norm of water intake - Part 54: Canned food 取水定额第54部分：罐头食品	China National Standards 4:	English PDF
GB/T 18216.4-2021	Electrical safety in low voltage distribution systems up to 1 000 V a. c and 1 500 V d. c - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding 交流1000V和直流1500V及以下低压配电系统电气安全防护措施的试验、测量或监控设备第4部分：接地电阻和等电位接地电阻	China National Standards 4:	English PDF
GB/T 25195.4-2021	Cranes—Graphical symbols—Part 4:Jib cranes 起重机图形符号第4部分：臂架起重机	China National Standards 4:	English PDF
GB/T 39652.4-2021	Emergency response guideline for transportation of dangerous goods—Part 4:List of substance which in contact with water emit toxic gases 危险货物运输应急救援指南第4部分：遇水反应产生毒性气体的物质目录	China National Standards 4:	English PDF
GB/T 36625.4-2021	Smart city-Data fusion-Part 4:Opening and sharing requirements 智慧城市数据融合第4部分：开放共享要求	China National Standards 4:	English PDF
GB/T 33780.4-2021	Technical specification of electronic government common platform based on cloud computing—Part 4:Operation system 基于云计算的电子政务公共平台技术规范第4部分：操作系统	China National Standards 4:	English PDF
GB/T 32910.4-2021	Data center—Resource utilization—Part 4: Renewable energy factor 数据中心资源利用第4部分：可再生能源利用率	China National Standards 4:	English PDF
GB/T 29186.4-2021	Evaluation of brand value elements-Part 4:Innovation elements 品牌价值要素评价第4部分：创新要素	China National Standards 4:	English PDF
GB/T 15972.54-2021	Specifications for optical fibre test methods—Part 54:Measurement methods and test procedures for environmental characteristics—Gamma irradiation 光纤试验方法规范第54部分：环境性能的测量方法和试验程序伽玛辐照	China National Standards 4:	English PDF
GB/T 15972.34-2021	Specifications for optical fibre test methods—Part 34:Measurement methods and test procedures for mechanical characteristics—Fibre curl 光纤试验方法规范第34部分：机械性能的测量方法和试验程序光纤翘曲	China National Standards 4:	English PDF
GB/T 9966.14-2021	Test methods for natural stone-Part 14:Determination of rupture energy 天然石材试验方法第14部分：耐断裂能量的测定	China National Standards 4:	English PDF
GB/T 8151.24-2021	Methods for chemical analysis of zinc concentrates—Part 24:Determination of soluble zinc content—Flame atomic absorption spectrometry 锌精矿化学分析方法第24部分:可溶性锌含量的测定火焰原子吸收光谱法	China National Standards 4:	English PDF
GB/T 35060.4-2021	General specification of shearer—Part 4: Electric control system 滚筒采煤机通用技术条件第4部分:电气控制系统	China National Standards 4:	English PDF
GB/T 34080.4-2021	Security specification of electronic government common platform based on cloud computing -- Part 4: Application security 基于云计算的电子政务公共平台安全规范第4部分：应用安全	China National Standards 4:	English PDF
GB/T 34079.4-2021	Service specification of electronic government common platform based on cloud computing -- Part 4: Application service 基于云计算的电子政务公共平台服务规范第4部分：应用服务	China National Standards 4:	English PDF
GB/T 34078.4-2021	General specification of electronic government common platform based on cloud computing -- Part 4: Service implement 基于云计算的电子政务公共平台总体规范第4部分：服务实施	China National Standards 4:	English PDF
GB/T 34077.4-2021	Management specification of electronic government common platform based on cloud computing -- Part 4: Guide for platform management 基于云计算的电子政务公共平台管理规范第4部分：平台管理导则	China National Standards 4:	English PDF
GB/T 20833.4-2021	Rotating electrical machines—The winding insulation—Part 4: Measurement of insulation resistance and polarization index 旋转电机绕组绝缘第4部分：绝缘电阻和极化指数测量	China National Standards 4:	English PDF
GB/T 18329.4-2021	Plain bearings—Metallic multilayer plain bearings—Part 4:Non-destructive ultrasonic transmission testing of bond of thickness greater than or equal to 0.3 mm 滑动轴承多层金属滑动轴承第4部分: 合金厚度≥0.3mm的结合质量超声穿透无损检测	China National Standards 4:	English PDF
GB/T 10001.4-2021	Public information graphical symbols—Part 4: Symbols for recreation sport 公共信息图形符号第4部分：运动健身符号	China National Standards 4:	English PDF
GB/T 5095.2504-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-4: Test 25d: Propagation delay 电子设备用机电元件基本试验规程及测量方法第25-4部分：试验25d：传输时延	China National Standards 4:	English PDF
GB/T 5095.2304-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-4: Screening and filtering tests—Test 23d: Transmission line reflections in the time domain 电子设备用机电元件基本试验规程及测量方法第23-4部分：屏蔽和滤波试验试验23d：时域内传输线的反射	China National Standards 4:	English PDF
GB/T 1149.4-2021	Internal combustion engines—Piston rings—Part 4:Quality requirements 内燃机活塞环第4部分：质量要求	China National Standards 4:	English PDF
GB/T 14914.4-2021	The specification for marine observation—Part 4:Shore based radar observation 海洋观测规范第4部分：岸基雷达观测	China National Standards 4:	English PDF
GB/T 15579.14-2021	Arc welding equipment -- Part 14: Calibration, validation and consistency testing 弧焊设备第14部分：校准、确认和一致性试验	China National Standards 4:	English PDF
GB/T 6113.104-2021	Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-4:Radio disturbance and immunity measuring apparatus—Antennas and test sites for radiated disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范第1-4部分：无线电骚扰和抗扰度测量设备辐射骚扰测量用天线和试验场地	China National Standards 4:	English PDF
GB/T 38265.14-2021	Test methods for soft soldering fluxes—Part 14: Assessment of tackiness of flux residues 软钎剂试验方法第14部分：钎剂残留物胶粘性的评价	China National Standards 4:	English PDF
GB/T 38055.4-2021	Rough-terrain trucks—User requirements—Part 4: Additional requirements for variable-reach trucks handling freely suspended loads 越野叉车对用户的要求第4部分:悬吊可自由摆动载荷伸缩臂式叉车的附加要求	China National Standards 4:	English PDF
GB/T 41106.4-2021	Large-scale amusement devices -- Inspection, maintenance and repair -- Part 4: Sort of lifting rides 大型游乐设施检查、维护保养与修理第4部分：升降类	China National Standards 4:	English PDF
GB/T 25684.4-2021	Earth-moving machinery—Safety—Part 4: Requirements for backhoe loaders 土方机械安全第4部分：挖掘装载机的要求	China National Standards 4:	English PDF
GB/T 1927.4-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 4: Determination of moisture content 无疵小试样木材物理力学性质试验方法第4部分：含水率测定	China National Standards 4:	English PDF
GB/T 18978.304-2021	Ergonomics of human-system interaction—Part 304: User performance test methods for electronic visual displays 人-系统交互工效学第304部分：电子视觉显示器的用户绩效测试方法	China National Standards 4:	English PDF
GB/T 20969.4-2021	Special environmental condition—Machinery for plateau—Part 4:Guide rule of test for plateau natural environment—Internal combustion engines 特殊环境条件高原机械第4部分：高原自然环境试验导则内燃动力机械	China National Standards 4:	English PDF
GB/T 18691.4-2021	Agricultural irrigation equipment—Irrigation valves—Part 4: Air valves 农业灌溉设备灌溉阀第4部分：进排气阀	China National Standards 4:	English PDF
GB/T 31723.414-2021	Metallic communication cable test methods—Part 4-14: Electromagnetic compatibility (EMC)—Coupling attenuation of cable assemblies (field conditions)—Absorbing clamp method 金属通信电缆试验方法第4-14部分：电磁兼容电缆组件(现场条件)的耦合衰减吸收钳法	China National Standards 4:	English PDF
GB/T 14191.4-2021	Prosthetics and orthotics -- Vocabulary -- Part 4: Terms relating to limb amputation 假肢学和矫形器学? 术语? 第4部分：截肢术语	China National Standards 4:	English PDF
GB 14232.4-2021	Plastics collapsible containers for human blood and blood components—Part 4: Aphaeresis blood bag systems with integrated features 人体血液及血液成分袋式塑料容器第4部分：含特殊组件的单采血袋系统	China National Standards 4:	English PDF
GB 9706.224-2021	Medical electrical equipment—Part 2-24: Particular requirements for the basic safety and essential performance of infusion pumps and controllers 医用电气设备第2-24部分：输液泵和输液控制器的基本安全和基本性能专用要求	China National Standards 4:	English PDF
GB/T 30104.304-2021	Digital addressable lighting interface—Part 304:Particular requirements—Input devices—Light sensor 数字可寻址照明接口第304部分：特殊要求输入设备光传感器	China National Standards 4:	English PDF
GB/T 21021.4-2021	Intermodulation level measurement for passive RF and microwave devices -- Part 4: Measurement of passive intermodulation in coaxial cables 无源射频和微波元器件的互调电平测量第4部分：同轴电缆的无源互调测量	China National Standards 4:	English PDF
GB/T 40926.4-2021	Protective equipment for use in ice hockey—Part 4:Head and face protection for goalkeepers 冰球运动护具第4部分：守门员的头部和面部护具	China National Standards 4:	English PDF
GB/T 40665.4-2021	Operation specifications for four diagnostic methods in traditional Chinese medicine—Part 4:Pulse palpation 中医四诊操作规范第4部分：切诊	China National Standards 4:	English PDF
GB/T 40681.4-2021	Statistical methods in monitoring process capability and performance—Part 4:Process capability estimates and performance measures 生产过程能力和性能监测统计方法第4部分：过程能力估计和性能测量	China National Standards 4:	English PDF
GB/T 40565.4-2021	Connections for hydraulic fluid power—Quick-action couplings—Part 4: Screw connection type at 72 MPa 液压传动连接快换接头第4部分：72 MPa螺纹连接型	China National Standards 4:	English PDF
GB/T 40815.4-2021	Mechanical structures for electrical and electronic equipment—Thermal managementfor cabinets in accordance with inch and metric system—Part 4:Cooling performance tests for water supplied heat exchangers in electronic cabinets 电气和电子设备机械结构　符合英制系列和公制系列机柜的热管理　第4部分：电子机柜中供水热交换器的冷却性能试验	China National Standards 4:	English PDF
GB/T 16895.10-2021	Low-voltage electrical installations -- Part 4-44: Protection for safety -- Protection against voltage disturbances and electromagnetic disturbances 低压电气装置第4-44部分：安全防护电压骚扰和电磁骚扰防护	China National Standards 4:	English PDF
GB/T 39560.4-2021	Determination of certain substances in electrical and electronic products—Part 4: Mercury in polymers, metals and electronics by CV-AAS, CV-AFS , ICP-OES and ICP-MS 电子电气产品中某些物质的测定第4部分：CV-AAS、CV-AFS、ICP-OES和ICP-MS测定聚合物、金属和电子件中的汞	China National Standards 4:	English PDF
GB/T 1687.4-2021	Rubber,vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 4: Constant-stress flexometer 硫化橡胶在屈挠试验中温升和耐疲劳性能的测定第4部分：恒应力屈挠试验	China National Standards 4:	English PDF
GB/T 12274.4-2021	Quartz crystal controlled oscillators of assessed quality—Part 4: Sectional specification—Capability approval 有质量评定的石英晶体振荡器第4部分:分规范能力批准	China National Standards 4:	English PDF
GB/T 40711.4-2021	Off-cycle technology/device energy saving effects evaluation methods for passenger cars—Part 4:Regenerative braking system 乘用车循环外技术/装置节能效果评价方法第4部分：制动能量回收系统	China National Standards 4:	English PDF
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 4:	English PDF
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 4:	English PDF
GB/T 40640.4-2021	Informationalized management of chemicals—Part 4:General specification for chemicals positioning system 化学品管理信息化第4部分：化学品定位系统通用规范	China National Standards 4:	English PDF
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 4:	English PDF
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 4:	English PDF
GB/T 16895.7-2021	Low-voltage electrical installations—Part 7-704:Requirements for special installations or locations—Construction and demolition site installations 低压电气装置第7-704部分：特殊装置或场所的要求施工和拆除场所的电气装置	China National Standards 4:	English PDF
GB 9706.254-2020	Medical electrical equipment—Part 2-54: Particular requirements for the basic safety and essential performance of X-ray equipment for radiography and radioscopy 医用电气设备第2-54部分：X射线摄影和透视设备的基本安全和基本性能专用要求	China National Standards 4:	English PDF
GB/T 4802.4-2020	Textiles—Determination of the fabric propensity to surface pilling, fuzzing or matting—Part 4: Random tumble pilling method 纺织品织物起毛起球性能的测定第4部分：随机翻滚法	China National Standards 4:	English PDF
GB/T 24328.4-2020	Tissue paper and tissue products--Part 4: Determination of wet tensile strength 卫生纸及其制品第4部分: 湿抗张强度的测定	China National Standards 4:	English PDF
GB/T 26790.4-2020	Industrial wireless networks WIA specification—Part 4: WIA-FA protocol conformance test specification 工业无线网络WIA规范第4部分：WIA-FA协议一致性测试规范	China National Standards 4:	English PDF
GB/T 38924.4-2020	Environmental test methods for civil small and light unmanned aircraft system—Part 4: Temperature and altitude test 民用轻小型无人机系统环境试验方法第4部分：温度和高度试验	China National Standards 4:	English PDF
GB/T 25085.4-2020	Road vehicles—Automotive cables—Part 4: Dimensions and requirements for 30 V a.c. or 60 V d.c. single-core aluminium conductor cables 道路车辆汽车电缆第4部分：交流30 V或直流60 V单芯铝导体电缆的尺寸和要求	China National Standards 4:	English PDF
GB/T 20975.4-2020	Methods for chemical analysis of aluminium and aluminium alloys—Part 4:Determination of iron content 铝及铝合金化学分析方法第4部分：铁含量的测定	China National Standards 4:	English PDF
GB/T 9771.4-2020	Single-mode optical fibres for telecommunication—Part 4: Characteristics of a dispersion shifted single-mode optical fibre 通信用单模光纤第4部分：色散位移单模光纤特性	China National Standards 4:	English PDF
GB/T 9065.4-2020	Connections for hydraulic fluid power—Hose fittings—Part 4: Stud ends 液压传动连接软管接头第4部分：螺柱端	China National Standards 4:	English PDF
GB/T 34953.4-2020	Information technology—Security techniques—Anonymous entity authentication—Part 4: Mechanisms based on weak secrets 信息技术安全技术匿名实体鉴别第4部分：基于弱秘密的机制	China National Standards 4:	English PDF
GB/T 24637.4-2020	Geometrical product specifications(GPS)—General concepts—Part 4: Geometrical characteristics for quantifying GPS deviations 产品几何技术规范（GPS）通用概念第4部分:几何特征的GPS偏差量化	China National Standards 4:	English PDF
GB/T 5226.34-2020	Electrical safety of machinery—Electrical equipment of machines—Part 34: Requirements for machine tools 机械电气安全机械电气设备第34部分：机床技术条件	China National Standards 4:	English PDF
GB/T 29633.4-2020	Antarctic geographical names—Part 4:Romanizing 南极地名第4部分：罗马字母拼写	China National Standards 4:	English PDF
GB/T 26548.4-2020	Hand-held portable power tools—Test methods for evaluation of vibration emission—Part 4:Straight grinders 手持便携式动力工具振动试验方法第4部分：直柄式砂轮机	China National Standards 4:	English PDF
GB/T 5137.4-2020	Test methods of safety glazing materials used on road vehicles—Part 4:Determination of solar characteristic 汽车安全玻璃试验方法第4部分：太阳能特性试验	China National Standards 4:	English PDF
GB/T 38604.4-2020	Public information guidance systems—Assessment requirement—Part 4: Trolley and bus station 公共信息导向系统评价要求第4部分：公共汽电车车站	China National Standards 4:	English PDF
GB/T 8243.14-2020	Methods of test for full-flow lubricating oil filters for internal combustion engines—Part 14:Cold start simulation and hydraulic pulse durability for composite filter housings 内燃机全流式机油滤清器试验方法第14部分：复合材料滤清器的冷起动模拟和液压脉冲耐久试验	China National Standards 4:	English PDF
GB/T 16900.4-2020	Rules for the presentation of graphical symbols—Part 4: Methods for testing symbol referent association 图形符号表示规则第4部分：对象相关性测试方法	China National Standards 4:	English PDF
GB/T 12706.4-2020	Power cables with extruded insulation and their accessories for rated voltages from l kV (Um=1.2 kV) up to 35 kV(Um=40.5 kV)—Part 4:Test requirements on accessories for cables with rated voltages from 6 kV(Um=7.2 kV) up to 35 kV(Um=40.5 kV) 额定电压1kV(Um=1.2kV)到35kV(Um=40.5kV)挤包绝缘电力电缆及附件第4部分:额定电压6kV(Um=7.2kV)到35kV(Um=40.5kV)电力电缆附件试验要求	China National Standards 4:	English PDF
GB/T 9966.4-2020	Test methods for natural stone--Part 4: Determination of abrasion resistance 天然石材试验方法第4部分：耐磨性试验	China National Standards 4:	English PDF
GB/T 38548.4-2020	Content resources digitization—Part 4:Metadata 内容资源数字化加工第4部分：元数据	China National Standards 4:	English PDF
GB/T 37055.4-2020	National article numbering and basic information specification—Means of production—Part 4: Asphalt 国家物品编码与基础信息通用规范生产资料第4部分：沥青	China National Standards 4:	English PDF
GB/T 35840.4-2020	Steels for plastic mould—Part 4: Pre-hardenging steel plate 塑料模具钢第4部分：预硬化钢板	China National Standards 4:	English PDF
GB/T 36668.4-2020	Condition monitoring and fault diagnostics of amusement device—Part 4:Vibration monitoring method 游乐设施状态监测与故障诊断第4部分：振动监测方法	China National Standards 4:	English PDF
GB 9706.244-2020	Medical electrical equipment—Part 2-44:Particular requirements for the basic safety and essential performance of X-ray equipment for computed tomography 医用电气设备第2-44部分：X射线计算机体层摄影设备的基本安全和基本性能专用要求	China National Standards 4:	English PDF
GB/T 39561.4-2020	Interconnection and interoperation of numerical control equipment—Part 4: Object dictionary of numerical control machine tools 数控装备互联互通及互操作第4部分：数控机床对象字典	China National Standards 4:	English PDF
GB/T 39559.4-2020	Specifications for operational monitoring of urban rail transit facilities—Part 4: Track and earthworks 城市轨道交通设施运营监测技术规范第4部分：轨道和路基	China National Standards 4:	English PDF
GB/T 39515.4-2020	Agricultural and forestry machinery—Environmental requirements for sprayers—Part 4: Fixed and semi-mobile sprayers 农林机械喷雾机的环境要求第4部分：固定式和半移动式喷雾机	China National Standards 4:	English PDF
GB/T 32854.4-2020	Automation systems and integration—Integration of advanced process control and optimization software for manufacturing systems—Part 4: Information exchange and usage 自动化系统与集成制造系统先进控制与优化软件集成第4部分：信息交互和使用	China National Standards 4:	English PDF
GB/T 31489.4-2020	D.C. extruded cables systems for power transmission at a rated voltage up to and including 500kV—Part 4: Accessories for D.C. cables 额定电压500kV及以下直流输电用挤包绝缘电力电缆系统第4部分：直流电缆附件	China National Standards 4:	English PDF
GB/T 21838.4-2020	Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 4: Test method for metallic and non-metallic coatings 金属材料硬度和材料参数的仪器化压入试验第4部分:金属和非金属覆盖层的试验方法	China National Standards 4:	English PDF
GB/T 18779.4-2020	Geometrical product specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 4: Background on functional limits and specification limits in decision rules 产品几何技术规范（GPS）工件与测量设备的测量检验第4部分：判定规则中功能限与规范限的基础	China National Standards 4:	English PDF
GB/T 7424.24-2020	Optical fibre cable generic specification—Part 24: Basic optical cable test procedures—Electrical test methods 光缆总规范第24部分：光缆基本试验方法电气试验方法	China National Standards 4:	English PDF
GB/T 7260.40-2020	Uninterruptible power systems(UPS)—Part 4:Environmental aspects—Requirements and reporting 不间断电源系统（UPS）第4部分：环境要求及报告	China National Standards 4:	English PDF
GB/T 5584.4-2020	Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 4: Strip copper conductor 电工用铜、铝及其合金扁线第4部分：铜带	China National Standards 4:	English PDF
GB/T 1632.4-2020	Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 4:Polycarbonate(PC) moulding and extrusion materials 塑料使用毛细管黏度计测定聚合物稀溶液黏度第4部分：聚碳酸酯(PC)模塑和挤出材料	China National Standards 4:	English PDF
GB/T 24635.4-2020	Geometrical product specifications (GPS)—Coordinate measuring machines (CMM): Technique for determining the uncertainty of measurement—Part 4: Evaluating task-specific measurement uncertainty using simulation 产品几何技术规范（GPS）坐标测量机（CMM）确定测量不确定度的技术第4部分：应用仿真技术评估特定任务的测量不确定度	China National Standards 4:	English PDF
GB/T 15076.4-2020	Methods for chemical analysis of tantalum and niobium--Part 4: Determination of iron content--1, 10-Phenanthroline spectrophotometry 钽铌化学分析方法第4部分:铁量的测定 1，10—二氮杂菲分光光度法	China National Standards 4:	English PDF
GB/T 13747.4-2020	Methods for chemical analysis of zirconium and zirconium alloys--Part 4: Determination of chromium content--Diphenylcarbazide spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第4部分：铬量的测定二苯卡巴肼分光光度法和电感耦合等离子体原子发射光谱法	China National Standards 4:	English PDF
GB/T 39223.4-2020	Ergonomic requirements for healthy home—Part 4: Children's desks and chairs 健康家居的人类工效学要求第4部分：儿童桌椅	China National Standards 4:	English PDF
GB/T 33588.4-2020	Lightning protection system components (LPSC)—Part 4: Requirements for conductor fasteners 雷电防护系统部件（LPSC）第4部分：导体的紧固件要求	China National Standards 4:	English PDF
GB/T 25217.14-2020	Methods for test, monitoring and prevention of rock burst—Part 14: Prevention method of roof hydraulic fracturing 冲击地压测定、监测与防治方法第14部分：顶板水压致裂防治方法	China National Standards 4:	English PDF
GB/T 20801.4-2020	Pressure piping code—Industrial piping—Part 4:Fabrication and assembly 压力管道规范工业管道第4部分:制作与安装	China National Standards 4:	English PDF
GB/T 20674.4-2020	Plastics pipes and fittings—Equipment for fusion jointing polyethylene systems—Part 4: Traceability coding 塑料管材和管件聚乙烯系统熔接设备第4部分：可追溯编码	China National Standards 4:	English PDF
GB/T 17888.4-2020	Safety of machinery—Permanent means of access to machinery—Part 4: Fixed ladders 机械安全接近机械的固定设施第4部分：固定式直梯	China National Standards 4:	English PDF
GB/T 15566.4-2020	Public information guidance systems—Setting principles and requirements—Part 4: Public transport station 公共信息导向系统设置原则与要求第4部分：公共交通车站	China National Standards 4:	English PDF
GB/T 39414.4-2020	Interface specification for signal in space of BeiDou navigation satellite system—Part 4: Open service signal B3I 北斗卫星导航系统空间信号接口规范第4部分：公开服务信号B3I	China National Standards 4:	English PDF
GB/T 39334.4-2020	Digital simulation of mechanical products manufacturing process—Part 4: Requirements of NC machining process simulation 机械产品制造过程数字化仿真第4部分：数控加工过程仿真要求	China National Standards 4:	English PDF
GB/T 37363.4-2020	Determination of biocides content of coating materials—Part 4: Determination of carbendazim content 涂料中生物杀伤剂含量的测定第4部分：多菌灵含量的测定	China National Standards 4:	English PDF
GB/T 35465.4-2020	Test method for fatigue properties of polymer matrix composite materials—Part 4: Tension-compression fatigue and compression-compression fatigue 聚合物基复合材料疲劳性能测试方法第4部分：拉-压和压-压疲劳	China National Standards 4:	English PDF
GB/T 5832.4-2020	Gas analysis—Determination of moisture—Part 4: The method of quartz crystal oscillation 气体分析微量水分的测定第4部分：石英晶体振荡法	China National Standards 4:	English PDF
GB/T 28029.12-2020	Electronic railway equipment—Train communication network (TCN)—Part 3-4: Ethernet Consist Network(ECN) 轨道交通电子设备列车通信网络（TCN）第3-4部分：以太网编组网（ECN）	China National Standards 4:	English PDF
GB/T 28029.5-2020	Electronic railway equipment—Train communication network (TCN)—Part 2-4: TCN application profile 轨道交通电子设备列车通信网络（TCN）第2-4部分：TCN应用规约	China National Standards 4:	English PDF
GB/T 17989.4-2020	Control charts--Part 4: Cumulative sum charts 控制图第4部分：累积和控制图	China National Standards 4:	English PDF
GB/T 3452.4-2020	O-rings for fluid power systems—Part 4:Anti-extrusion rings (back-up rings) 液压气动用O形橡胶密封圈第4部分：抗挤压环（挡环）	China National Standards 4:	English PDF
GB/T 26218.4-2019	Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 4: Insulators for d.c. systems 污秽条件下使用的高压绝缘子的选择和尺寸确定第4部分：直流系统用绝缘子	China National Standards 4:	English PDF
GB/T 23711.4-2019	Test method for pressure vessels lined with plastics—Part 4:Negative pressure inspection 塑料衬里压力容器试验方法第4部分：耐负压检验	China National Standards 4:	English PDF
GB/T 38399.4-2019	Textile machinery and accessories—Vocabulary of flat warp knitting machines—Part 4: Stitch bonding machines and stitch bonding devices 纺织机械与附件平型经编机词汇第4部分：缝编机和缝编装置	China National Standards 4:	English PDF
GB/T 32852.4-2019	Urban passenger transportation terminology—Part 4: Taxi 城市客运术语第4部分：出租汽车	China National Standards 4:	English PDF
GB/T 26218.4-2019	Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 4: Insulators for d.c. systems 污秽条件下使用的高压绝缘子的选择和尺寸确定第4部分：直流系统用绝缘子	China National Standards 4:	English PDF
GB/T 23711.4-2019	Test method for pressure vessels lined with plastics—Part 4:Negative pressure inspection 塑料衬里压力容器试验方法第4部分：耐负压检验	China National Standards 4:	English PDF
GB 4793.4-2019	Safety requirements for electrical equipment for measurement,control and laboratory use—Part 4: Particular requirements for sterilizers and washer-disinfectors used to treat medical materials 测量、控制和实验室用电气设备的安全要求第4部分：用于处理医用材料的灭菌器和清洗消毒器的特殊要求	China National Standards 4:	English PDF
GB 15322.4-2019	Combustible gas detectors—Part 4: Line-type optical beam combustible gas detectors for industrial and commercial use 可燃气体探测器第4部分：工业及商业用途线型光束可燃气体探测器	China National Standards 4:	English PDF
GB 4234.4-2019	Implants for surgery—Metallic materials—Part 4: Cobalt-chromium-molybdenum casting alloy 外科植入物金属材料第4部分：铸造钴-铬-钼合金	China National Standards 4:	English PDF
GB 15322.4-2019	Combustible gas detectors—Part 4: Line-type optical beam combustible gas detectors for industrial and commercial use 可燃气体探测器第4部分：工业及商业用途线型光束可燃气体探测器	China National Standards 4:	English PDF
GB 4234.4-2019	Implants for surgery—Metallic materials—Part 4: Cobalt-chromium-molybdenum casting alloy 外科植入物金属材料第4部分：铸造钴-铬-钼合金	China National Standards 4:	English PDF
GB/T 37891.4-2019	Cutter arbors with parallel key and tenon drive—Part 4: Dimensions and designation of tool holders with 7/24 taper without automatic tool changers 带平键和端键传动的铣刀杆第4部分：带7:24手动换刀圆锥柄刀杆的尺寸和标记	China National Standards 4:	English PDF
GB/T 37869.4-2019	Glass containers—Vacuum lug finishes—Part 4: 3 leads 38 medium 玻璃容器真空凸缘瓶口第4部分：三旋38中等规格	China National Standards 4:	English PDF
GB/T 37400.14-2019	Heavy mechanical general technical specification—Part 14: Nondestructive test of steel castings 重型机械通用技术条件第14部分：铸钢件无损探伤	China National Standards 4:	English PDF
GB/T 29271.4-2019	Identification cards—Integrated circuit card programming interfaces—Part 4: Application programming interface (API) administration 识别卡集成电路卡编程接口第4部分：应用编程接口（API）管理	China National Standards 4:	English PDF
GB/T 28827.4-2019	Information technology service—Operations and maintenance—Part 4: Service requirements for data center 信息技术服务运行维护第4部分：数据中心服务要求	China National Standards 4:	English PDF
GB/T 26237.14-2019	Information technology—Biometric data interchange formats—Part 14: DNA data 信息技术生物特征识别数据交换格式第14部分：DNA数据	China National Standards 4:	English PDF
GB/T 19903.14-2019	Automation systems and integration—Physical device control—Data model for computerized numerical controllers—Part 14: Process data for sink electrical discharge machining (sink-EDM) 自动化系统与集成物理设备控制计算机数值控制器用的数据模型第14部分：电火花成形加工用工艺数据	China National Standards 4:	English PDF
GB/T 15879.4-2019	Mechanical standardization of semiconductor devices—Part 4: Coding system and classification into forms of package outlines for semiconductor device packages 半导体器件的机械标准化第4部分：半导体器件封装外形的分类和编码体系	China National Standards 4:	English PDF
GB/T 8152.14-2019	Methods for chemical analysis of lead concentrates—Part 14: Determination of silicon dioxide content—Molybdenum blue spectrophotometry 铅精矿化学分析方法第14部分：二氧化硅含量的测定钼蓝分光光度法	China National Standards 4:	English PDF
GB/T 7739.14-2019	Methods for chemical analysis of gold concentrates—Part 14: Determination of thallium content—Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry 金精矿化学分析方法第14部分：铊量的测定电感耦合等离子体原子发射光谱法和电感耦合等离子体质谱法	China National Standards 4:	English PDF
GB/T 228.4-2019	Metallic materials—Tensile testing—Part 4: Method of test in liquid helium 金属材料拉伸试验第4部分：液氦试验方法	China National Standards 4:	English PDF
GB 7956.4-2019	Fire fighting vehicles—Part 4: Dry powder fire fighting vehicle 消防车第4部分：干粉消防车	China National Standards 4:	English PDF
GB/T 36478.4-2019	Internet of things—Information sharing and exchanging—Part 4:Data interface 物联网信息交换和共享第4部分：数据接口	China National Standards 4:	English PDF
GB/T 30544.4-2019	Nanotechnologies—Vocabulary—Part 4: Nanostructured materials 纳米科技术语第4部分：纳米结构材料	China National Standards 4:	English PDF
GB/T 30269.504-2019	Information technology—Sensor networks—Part 504: Identification:Sensor nodes identifier management 信息技术传感器网络第504部分：标识：传感节点标识符管理	China National Standards 4:	English PDF
GB/T 30269.304-2019	Information technology—Sensor networks—Part 304:Communication and information exchange:Technical requirements of soundwave communication system 信息技术传感器网络第304部分:通信与信息交换:声波通信系统技术要求	China National Standards 4:	English PDF
GB/T 31838.4-2019	Solid insulating materials—Dielectric and resistive properties—Part 4: Resistive properties (DC methods)—Insulation resistance 固体绝缘材料介电和电阻特性第4部分：电阻特性(DC方法) 绝缘电阻	China National Standards 4:	English PDF
GB/T 23901.4-2019	Non-destructive testing—Image quality of radiographs—Part 4: Experimental evaluation of image quality values and image quality tables 无损检测射线照相检测图像质量第4部分：像质值和像质表的实验评价	China National Standards 4:	English PDF
GB/T 37400.4-2019	Heavy mechanical general technical specification—Part 4:Iron castings 重型机械通用技术条件第4部分：铸铁件	China National Standards 4:	English PDF
GB/T 31024.4-2019	Cooperative intelligent transportation systems—Dedicated short range communications—Part 4: Equipment application specification 合作式智能运输系统专用短程通信第4部分:设备应用规范	China National Standards 4:	English PDF
GB/T 20897.4-2019	Inflatable boats—Part 4:Boats with a hull length of between 8 m and 24 m with a motor power rating of 15 kW and greater 充气艇第4部分：发动机额定功率为15 kW及以上且船长在8m～24m之间的艇	China National Standards 4:	English PDF
GB/T 20851.4-2019	Electronic toll collection—Dedicated short range communication—Part 4:Equipment application 电子收费专用短程通信第4部分：设备应用	China National Standards 4:	English PDF
GB/T 37600.4-2019	National central product classification—Product category core metadata—Part 4: Amusement ride in public amusement park 全国主要产品分类产品类别核心元数据第4部分：公共游乐场的游乐设施	China National Standards 4:	English PDF
GB/T 37303.4-2019	Ships and marine technology—Manoeuvring of ships—Part 4:Stopping, acceleration, traversing 船舶和海上技术船舶操纵性第4部分：停船、加速和横移	China National Standards 4:	English PDF
GB/T 11024.4-2019	Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V—Part 4:Internal fuses 标称电压1 000 V以上交流电力系统用并联电容器第4部分：内部熔丝	China National Standards 4:	English PDF
GB/T 27021.4-2018	Conformity assessment—Requirements for bodies providing audit and certification of management systems—Part 4: Competence requirements for auditing and certification of event sustainability management systems 合格评定-管理体系审核认证机构要求-第4部分：大型活动可持续性管理体系审核和认证能力要求	China National Standards 4:	English PDF
GB/T 25122.4-2018	Railway applications—Power converters installed on board rolling stock—Part 4:Traction converter for EMU 轨道交通-机车车辆用电力变流器-第4部分：电动车组牵引变流器	China National Standards 4:	English PDF
GB/T 21561.4-2018	Railway applications—Rolling stock pantograph characteristics and tests—Part 4: Interface between pantograph and rolling stock for metros and light rail vehicles 轨道交通-机车车辆受电弓特性和试验-第4部分：受电弓与地铁、轻轨车辆接口	China National Standards 4:	English PDF
GB/T 19290.6-2018	Modular order for the development of mechanical structures for electronic equipment practices—Part 2-4: Sectional specification—Interface co-ordination dimensions for the 25 mm equipment practice—Adaptation dimensions for subracks or chassis applica 发展中的电子设备构体机械结构模数序列-第2-4部分:分规范-25-mm设备构体的接口协调尺寸-适用于符合IEC-60297-3-100(19-in)机柜或机架的插箱或机箱的适配尺寸	China National Standards 4:	English PDF
GBZ/T 300.164-2018	Determination of toxic substances in the workplace - Part 164: Diphenylmethane diisocyanate 工作场所空气有毒物质测定-第164部分：二苯基甲烷二异氰酸酯	China National Standards 4:	English PDF
GB 15208.4-2018	Micro-dose X-ray security inspection system—Part 4:Human body security inspection system 微剂量X射线安全检查设备-第4部分：人体安全检查设备	China National Standards 4:	English PDF
GB/T 31070.4-2018	Building intercom systems—Part 4: Application guidelines 楼寓对讲系统-第4部分：应用指南	China National Standards 4:	English PDF
GB/T 16716.4-2018	Packaging and the environment—Part 4:Material recycling 包装与环境-第4部分：材料循环再生	China National Standards 4:	English PDF
GB/T 36214.4-2018	Plastics—Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography—Part4:High-temperature method 塑料体积排除色谱法测定聚合物的平均分子量和分子量分布第4部分：高温法	China National Standards 4:	English PDF
GB/T 24338.5-2018	Railway applications—Electromagnetic compatibility—Part 4: Emission and immunity of the signalling and telecommunications apparatus 轨道交通电磁兼容第4部分：信号和通信设备的发射与抗扰度	China National Standards 4:	English PDF
GB/T 36417.4-2018	Full-distributed industrial control network—Part 4: Heterogeneous network technical specification 全分布式工业控制网络第4部分：异构网络技术规范	China National Standards 4:	English PDF
GB/T 10067.414-2018	Basic specification for electroheating and electromagnetic processing installations—Part 414: Industrial gem furnace 电热和电磁处理装置基本技术条件第414部分：工业宝石炉	China National Standards 4:	English PDF
GB/T 18916.34-2018	Norm of water intake—Part 34: Direct coal liquefaction 取水定额第34部分：煤炭直接液化	China National Standards 4:	English PDF
GB/T 19292.4-2018	Corrosion of metals and alloys—Corrosivity of atmospheres—Part 4: Determination of corrosion rate of standard specimens for the evaluation of corrosivity 金属和合金的腐蚀大气腐蚀性第4部分：用于评估腐蚀性的标准试样的腐蚀速率的测定	China National Standards 4:	English PDF
GB/T 29265.404-2018	Information technology—Information device intelligent grouping and resource sharing—Part 404: Remote access management profile 信息技术信息设备资源共享协同服务第404部分：远程访问管理应用框架	China National Standards 4:	English PDF
GB/T 6378.4-2018	Samling procedures for inspection by variables—Part 4: Procedures for assessment of declared quality levels for mean 计量抽样检验程序第4部分：对均值的声称质量水平的评定程序	China National Standards 4:	English PDF
GB/T 26645.4-2018	Particle size analysis—Gravitational liquid sedimentation methods—Part 4:Balance method 粒度分析液体重力沉降法第4部分：天平法	China National Standards 4:	English PDF
GB/T 36410.4-2018	Energy consumption evaluation methods of port equipment—Part 4: Bulk ship loader 港口设备能源消耗评价方法第4部分：散货连续装船机	China National Standards 4:	English PDF
GB/T 3367.4-2018	Glossary of terms for diesel locomotive—Part 4:Hydraulic transmission system 内燃机车词汇第4部分：液力传动系统	China National Standards 4:	English PDF
GB/T 33260.4-2018	Capability of detection—Part 4: Methodology for comparing the minimum detectable value with a given value 检出能力第4部分：最小可检出值与给定值的比较方法	China National Standards 4:	English PDF
GB/T 4728.4-2018	Graphical symbols for electrical diagrams—Part 4: Basic passive components 电气简图用图形符号第4部分：基本无源元件	China National Standards 4:	English PDF
GB/T 30269.804-2018	Information technology—Sensor networks—Part 804: Testing: Sensor interface 信息技术传感器网络第804部分：测试：传感器接口	China National Standards 4:	English PDF
GB/T 36341.4-2018	Information technology—Information presentation of shape modeling—Part 4: Storage format 信息技术形状建模信息表示第4部分：存储格式	China National Standards 4:	English PDF
GB/T 36700.4-2018	Chemicals—Guidance on hazard classification to the aquatic environment—Part 4: Degradation 化学品水生环境危害分类指导第4部分：降解	China National Standards 4:	English PDF
GB/T 36630.4-2018	Information security technology—Controllability evaluation index for security of information technology products—Part 4: Office suite 信息安全技术信息技术产品安全可控评价指标第4部分：办公套件	China National Standards 4:	English PDF
GB/T 4937.14-2018	Semiconductor devices—Mechanical and climatic test methods—Part 14: Robustness of terminations（lead integrity）半导体器件机械和气候试验方法第14部分：引出端强度（引线牢固性）	China National Standards 4:	English PDF
GB/T 36616.4-2018	Information technology－Universal coded character set (basic multilingual plane)－64 dot matrix font of Chinese ideogram－Part 4:Fangsong ti 信息技术通用编码字符集（基本多文种平面）汉字64点阵字型第4部分：仿宋体	China National Standards 4:	English PDF
GB/T 26857.4-2018	Information technology—Open systems interconnection—Methods for testing and specification(MTS)—The testing and test control notation—Version 3一Part 4: TTCN-3 operational semantics 信息技术开放系统互连测试方法和规范(MTS) 测试和测试控制记法第3版第4部分：TTCN-3操作语义	China National Standards 4:	English PDF
GB/T 5169.24-2018	Fire hazard testing for electric and electronic products—Part 24: Guidance for assessing the fire hazard—Insulating liquids 电工电子产品着火危险试验第24部分：着火危险评定导则绝缘液体	China National Standards 4:	English PDF
GB/T 35974.4-2018	Plastics and plastic lining pressure vessels—Part 4: Fabrication, inspection and testing for plastic pressure vessels 塑料及其衬里制压力容器第4部分：塑料制压力容器的制造、检查与检验	China National Standards 4:	English PDF
GB/T 33767.4-2018	Information technology—Biometric sample quality—Part 4: Finger image data 信息技术生物特征样本质量第4部分：指纹图像数据	China National Standards 4:	English PDF
GB/T 35999.4-2018	Prerequisite programmes on food safety—Part 4: Food packaging manufacturing 食品质量控制前提方案第4部分：食品包装的生产	China National Standards 4:	English PDF
GB/T 20501.4-2018	Public information guidance systems—Design principles and requirements for guidance elements—Part 4: Street guidance map 公共信息导向系统导向要素的设计原则与要求第4部分：街区导向图	China National Standards 4:	English PDF
GB/T 35010.4-2018	Semiconductor die products—Part 4: Requirements for die users and suppliers 半导体芯片产品第4部分：芯片使用者和供应商要求	China National Standards 4:	English PDF
GB/T 36103.14-2018	Ferrite cores—Dimensions—Part 14: EFD-cores for use in power supply applications 铁氧体磁心尺寸第14部分：电源用EFD型磁心	China National Standards 4:	English PDF
GB/T 35853.4-2018	List of aerospace equivalent terms—Part 4:Flight dynamics 航空航天等效术语表第4部分：飞行动力学	China National Standards 4:	English PDF
GB/T 17737.104-2018	Coaxial communication cables—Part 1-104: Electrical test methods—Test for capacitance stability of cable 同轴通信电缆第1-104部分：电气试验方法电缆的电容稳定性试验	China National Standards 4:	English PDF
GB/T 17737.314-2018	Coaxial communication cables—Part 1-314: Mechanical test methods—Test for cable bending 同轴通信电缆第1-314部分：机械试验方法电缆的弯曲试验	China National Standards 4:	English PDF
GB/T 17737.324-2018	Coaxial communication cables—Part 1-324: Mechanical test methods—Test for abrasion resistance of cable 同轴通信电缆第1-324部分：机械试验方法电缆耐磨性试验	China National Standards 4:	English PDF
GB/T 22159.4-2017	Acoustics and vibration―Laboratory measurement of vibro-acoustic transfer properties of resilient elements―Part 4: Dynamic stiffness of elements other than resilient supports for translatory motion 声学与振动弹性元件振动-声传递特性实验室测量方法第4部分：弹性非支撑件平动动刚度	China National Standards 4:	English PDF
GB/T 7251.4-2017	Low-voltage switchgear and controlgear assemblies—Part 4: Particular requirements for assemblies for construction sites (ACS) 低压成套开关设备和控制设备第4部分：对建筑工地用成套设备（ACS）的特殊要求	China National Standards 4:	English PDF
GB/T 13870.4-2017	Effects of current on human beings and livestock—Part 4: Effects of lightning strokes 电流对人和家畜的效应第4部分：雷击效应	China National Standards 4:	English PDF
GB/T 34690.4-2017	Graphic technology—Digitalized process control for offset printing—Part 4: File preparation for output 印刷技术胶印数字化过程控制第4部分：输出文件制作	China National Standards 4:	English PDF
GB/T 25000.24-2017	Systems and software engineering—Systems and software Quality Requirements and Evaluation(SQuaRE)—Part 24: Measurement of data quality 系统与软件工程系统与软件质量要求和评价（SQuaRE）第24部分：数据质量测量	China National Standards 4:	English PDF
GB/T 7602.4-2017	Quantitative determination of T501 oxidation inhibitor content in transformer oil or turbine oil—Part 4: GC/MS method 变压器油、涡轮机油中T501抗氧化剂含量测定法第4部分：气质联用法	China National Standards 4:	English PDF
GB/T 33846.4-2017	Information technology—SOA supportive functional units interoperability—Part 4: Service orchestration 信息技术 SOA支撑功能单元互操作第4部分：服务编制	China National Standards 4:	English PDF
GB/T 30850.4-2017	Standardized guidelines for e-government—Part 4: Information sharing 电子政务标准化指南第4部分：信息共享	China National Standards 4:	English PDF
GB/T 8117.4-2017	Rules for steam turbine thermal acceptance test—Part 4: Method D—Simplified performance test rules for steam turbine and its thermal cycle 汽轮机热力性能验收试验规程第4部分：方法D 汽轮机及其热力循环简化性能试验	China National Standards 4:	English PDF
GB/T 34923.4-2017	Street lights control and management system—Part 4: Technical specification of street lights controller 路灯控制管理系统第4部分：路灯控制器技术规范	China National Standards 4:	English PDF
GB/T 16895.28-2017	Low-voltage electrical installations—Part 7-714:Requirements for special installations or locations—External lighting installations 低压电气装置第7-714 部分：特殊装置或场所的要求户外照明装置	China National Standards 4:	English PDF
GB/T 34910.4-2017	Guidelines for marine renewable energy resources survey and assessment—Part 4: Marine current 海洋可再生能源资源调查与评估指南第4部分: 海流能	China National Standards 4:	English PDF

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