China 4: GB Standards List

China "4:" GB Standards List:

Standard Code	Standard Title	Standard Class	Order
GB/T 44808.4-2024	Ergonomics-Accessibility design-Part 4: Estimation method for the minimum recognizable character size for people of different ages {译} 人类工效学-无障碍设计-第4部分：不同年龄人群最小可辨认字符尺寸的估计方法	China National Standards 4:	English PDF
GB/T 16895.3-2024	Low voltage electrical installations - Part 5-54: Selection and installation of electrical equipment - Grounding arrangements and protective conductors {译} 低压电气装置-第5-54部分：电气设备的选择和安装-接地配置和保护导体	China National Standards 4:	English PDF
GB/T 44985.4-2024	General technical requirements for agricultural Internet of Things - Part 4: Livestock and poultry farming {译} 农业物联网通用技术要求-第4部分：畜禽养殖	China National Standards 4:	English PDF
GB/T 25320.4-2024	Power system management and information exchange - Data and communication security - Part 4: Protocol set including MMS and its annexes {译} 电力系统管理及其信息交换-数据和通信安全-第4部分：包含MMS的协议集及其附件	China National Standards 4:	English PDF
GB/T 43257.4-2024	Safety test methods for transport containers of radioactive materials - Part 4: Drop test {译} 放射性物品运输容器安全试验方法-第4部分：跌落试验	China National Standards 4:	English PDF
GB/T 44937.4-2024	Integrated circuits - Measurement of electromagnetic emissions - Part 4: Measurement of conducted emissions - 1Ω/150Ω direct coupling method {译} 集成电路-电磁发射测量-第4部分：传导发射测量-1Ω/150Ω直接耦合法	China National Standards 4:	English PDF
GB/T 42968.4-2024	Integrated circuits - Measurement of electromagnetic immunity - Part 4: Direct injection of radio frequency power {译} 集成电路-电磁抗扰度测量-第4部分：射频功率直接注入法	China National Standards 4:	English PDF
GB/T 25936.4-2024	Rubber and plastic crushing machinery - Part 4: Safety requirements for pelletizers {译} 橡胶塑料粉碎机械-第4部分:团粒机安全要求	China National Standards 4:	English PDF
GB/T 21551.4-2024	Antibacterial, sterilization and purification functions of household and similar electrical appliances-Part 4: Special requirements for refrigerators {译} 家用和类似用途电器的抗菌、除菌、净化功能-第4部分：电冰箱的特殊要求	China National Standards 4:	English PDF
GB/T 39141.4-2024	Inorganic and sapphire watch glasses-Part 4: Anti-reflection treatment {译} 无机和蓝宝石手表玻璃-第4部分：减反射处理	China National Standards 4:	English PDF
GB/T 42596.4-2024	Machine tool safety - Presses - Part 4: Safety requirements for pneumatic presses {译} 机床安全-压力机-第4部分：气动压力机安全要求	China National Standards 4:	English PDF
GB/T 18281.4-2024	Sterilization of healthcare products - Biological indicators - Part 4: Biological indicators for dry heat sterilization {译} 医疗保健产品灭菌-生物指示物-第4部分：干热灭菌用生物指示物	China National Standards 4:	English PDF
GB/T 41869.4-2024	Optics and photonics - Microlens arrays - Part 4: Test methods for geometric properties {译} 光学和光子学-微透镜阵列-第4部分：几何特性测试方法	China National Standards 4:	English PDF
GB/T 21099.4-2024	Equipment and integration in enterprise systems-Function blocks (FB) and electronic device description language (EDDL) for process control-Part 4: EDD interoperability {译} 企业系统中的设备和集成-过程控制用功能块（FB）和电子设备描述语言（EDDL）-第4部分：EDD互操作	China National Standards 4:	English PDF
GB/T 18882.4-2024	Chemical analysis methods for ionic rare earth ores and mixed rare earth oxides-Part 4: Determination of ferric oxide content-Inductively coupled plasma emission spectrometry {译} 离子型稀土矿混合稀土氧化物化学分析方法-第4部分：三氧化二铁含量的测定-电感耦合等离子体发射光谱法	China National Standards 4:	English PDF
GB/T 12604.14-2024	Nondestructive testing-Terminology-Part 14: Visual inspection {译} 无损检测-术语-第14部分：视觉检测	China National Standards 4:	English PDF
GB/T 26882.4-2024	Grain and oil storage-Grain condition monitoring and control system-Part 4: Information exchange interface protocol {译} 粮油储藏-粮情测控系统-第4部分：信息交换接口协议	China National Standards 4:	English PDF
GB/T 34430.4-2024	Ships and marine technology-Protective coatings and inspection methods-Part 4: Automated measurement method for total content of water-soluble salts {译} 船舶与海上技术-保护涂层和检查方法-第4部分：水溶性盐总含量的自动化测量方法	China National Standards 4:	English PDF
GB/T 24438.4-2024	Natural disaster statistics-Part 4: Statistical reports {译} 自然灾害灾情统计-第4部分：统计报表	China National Standards 4:	English PDF
GB/T 36450.4-2024	Information technology - Storage management - Part 4: Block equipment {译} 信息技术-存储管理-第4部分：块设备	China National Standards 4:	English PDF
GB/T 4706.124-2024	Safety of household and similar electrical appliances - Part 124: Special requirements for commercial vacuum packaging appliances {译} 家用和类似用途电器的安全-第124部分：商用真空包装器具的特殊要求	China National Standards 4:	English PDF
GB/T 44261.4-2024	Information technology - Application of biometric recognition technology in video surveillance systems - Part 4: True value and video annotation procedures {译} 信息技术-生物特征识别技术在视频监控系统中的应用-第4部分：真值与视频标注程序	China National Standards 4:	English PDF
GB/T 21001.4-2024	Refrigerated Display Cabinets - Part 4: Classification, Requirements and Test Conditions for Ice Cream Freezers {译} 制冷陈列柜-第4部分：冰淇淋冷冻柜分类、要求和试验条件	China National Standards 4:	English PDF
GB/T 37719.4-2024	Grain and oil storage - Auxiliary atlas for inspection of stored grain pests - Part 4: Boring pests (Curculionidae, Leguminosae, Longicornidae, Longicornidae, Gnaphalidae) {译} 粮油储藏-储粮害虫检验辅助图谱-第4部分：蛀食性害虫（象甲科、豆象科、长蠹科、长角象科、麦蛾科）	China National Standards 4:	English PDF
GB/T 42125.4-2024	Safety requirements for electrical equipment for measurement, control and laboratory use-Part 4: Special requirements for climate and environmental testing and other temperature regulation equipment {译} 测量、控制和实验室用电气设备的安全要求-第4部分：气候与环境试验以及其他温度调节设备的特殊要求	China National Standards 4:	English PDF
GB/T 26628.4-2024	Grain and oil inspection - Standard atlas of stored grain fungi - Part 4: Other common fungi - {译} 粮油检验-储粮真菌标准图谱-第4部分：其他常见菌属-	China National Standards 4:	English PDF
GB/T 5054.4-2024	Road vehicles - Multicore connecting cables - Part 4: Test methods and requirements for spiral cable assemblies {译} 道路车辆-多芯连接电缆-第4部分：螺旋电缆总成的试验方法和要求	China National Standards 4:	English PDF
GB/T 20870.4-2024	Semiconductor devices - Part 16-4: Microwave integrated circuits - switches {译} 半导体器件-第16-4部分：微波集成电路-开关	China National Standards 4:	English PDF
GB/T 32151.44-2024	Greenhouse gas emission accounting and reporting requirements-Part 44: zinc smelting enterprises {译} 温室气体排放核算与报告要求-第44部分：锌冶炼企业	China National Standards 4:	English PDF
GB/T 5132.4-2024	Industrial rigid circular laminated tubes and rods of thermosetting resins for electrical use - Part 4: Circular laminated molded tubes {译} 电气用热固性树脂工业硬质圆形层压管和棒-第4部分：圆形层压模制管	China National Standards 4:	English PDF
GB/T 13542.4-2024	Films for electrical insulation - Part 4: Polyester films {译} 电气绝缘用薄膜-第4部分：聚酯薄膜	China National Standards 4:	English PDF
GB/T 43617.4-2024	Rolling bearings - Test for noise from rolling bearing grease - Part 4: Test and evaluation method NQ {译} 滚动轴承-滚动轴承润滑脂噪声测试-第4部分：测试和评估方法NQ	China National Standards 4:	English PDF
GB/T 44639.4-2024	Railway transportation Communication-Train power measurement system-Part 4: Communication {译} 轨道交通-列车电能测量系统-第4部分：通信	China National Standards 4:	English PDF
GB/T 33290.24-2024	Regulations for the review of cultural relics leaving the country - Part 24: Enamelware {译} 文物出境审核规范-第24部分：珐琅器	China National Standards 4:	English PDF
GB/T 39316.4-2024	General resources for military and civilian use - metadata - Part 4: - Equipment - sanitary equipment {译} 军民通用资源-元数据-第4部分：-器材类-卫生器材	China National Standards 4:	English PDF
GB/T 39315.4-2024	Military and civilian general resources - Classification and coding - Part 4: Equipment - Sanitary equipment General resources - data model - Part 4: Equipment - sanitary equipment {译} 军民通用资源-数据模型-第4部分：器材类-卫生器材	China National Standards 4:	English PDF
GB/T 38003.4-2024	Military and civilian general resources - Classification and coding - Part 4: Equipment - Sanitary equipment {译} 军民通用资源-分类与编码-第4部分：器材类-卫生器材	China National Standards 4:	English PDF
GB/T 32151.24-2024	Greenhouse gas emission accounting and reporting requirements - Part 24: Electronic equipment manufacturing enterprises {译} 温室气体排放核算与报告要求-第24部分：电子设备制造企业	China National Standards 4:	English PDF
GB/T 22504.4-2024	Grain and oil inspection-Auxiliary atlas for sensory inspection of grains-Part 4: Oil {译} 粮油检验-粮食感官检验辅助图谱-第4部分：油料	China National Standards 4:	English PDF
GB/T 29168.4-2024	Petroleum and natural gas industry-Bends, pipe fittings and flanges for pipeline transportation systems-Part 4: Cold-bent pipes {译} 石油天然气工业-管道输送系统用弯管、管件和法兰-第4部分：冷弯管	China National Standards 4:	English PDF
GB/T 32151.34-2024	Greenhouse gas emission accounting and reporting requirements-Part 34: Carbon materials =Material production enterprises {译} 温室气体排放核算与报告要求-第34部分：炭素材料生产企业	China National Standards 4:	English PDF
GB/T 18233.4-2024	Information technology - General cabling for user buildings - Part 4: Residential {译} 信息技术-用户建筑群通用布缆-第4部分：住宅	China National Standards 4:	English PDF
GB/T 17889.4-2024	Ladders - Part 4: Hinged ladders {译} 梯子-第4部分：铰链梯	China National Standards 4:	English PDF
GB/T 42216.4-2024	Molecular in vitro diagnostic tests-Specifications for pre-test processes of formalin-fixed and paraffin-embedded tissues-Part 4: In-situ detection technology {译} 分子体外诊断检验-福尔马林固定及石蜡包埋组织检验前过程的规范-第4部分：原位检测技术	China National Standards 4:	English PDF
GB/T 38048.4-2024	Surface cleaning appliances - Part 4: Cordless dry vacuum cleaners for household and similar purposes - Performance test methods {译} 表面清洁器具-第4部分：家用和类似用途无线干式真空吸尘器-性能测试方法	China National Standards 4:	English PDF
GB/T 35150.4-2024	Technical requirements for new dry process cement production equipment-Part 4: Cement kiln coordinated disposal system {译} 新型干法水泥生产成套装备技术要求-第4部分：水泥窑协同处置系统	China National Standards 4:	English PDF
GB/T 4706.114-2024	Household and similar electrical appliances Safety - Part 114: - Particular requirements for drinking water treatment equipment {译} 家用和类似用途电器的安全-第114部分：-饮用水处理装置的特殊要求	China National Standards 4:	English PDF
GB/T 4732.4-2024	Analysis and design of pressure vessels - Part 4: Stress classification method {译} 压力容器分析设计-第4部分：应力分类方法	China National Standards 4:	English PDF
GB/T 150.4-2024	Pressure vessels - Part 4: Manufacturing, inspection and acceptance {译} 压力容器-第4部分：制造、检验和验收	China National Standards 4:	English PDF
GB/T 41782.4-2024	Internet of Things-System interoperability-Part 4: Syntactic interoperability {译} 物联网-系统互操作性-第4部分：语法互操作性	China National Standards 4:	English PDF
GB/T 37947.4-2024	Information technology-online monitoring system for energy consumption per unit-Part 4: Energy variety collection {译} 信息技术-用能单位能耗在线监测系统-第4部分：能源品种采集	China National Standards 4:	English PDF
GB/T 4706.74-2024	Safety of household and similar electrical appliances - Part 74: Particular requirements for sewing machines {译} 家用和类似用途电器的安全-第74部分：缝纫机的特殊要求	China National Standards 4:	English PDF
GB/T 4706.34-2024	Safety of household and similar electrical appliances - Part 34: Particular requirements for commercial electric forced convection ovens, steam cookers and steam convection ovens {译} 家用和类似用途电器的安全-第34部分：商用电强制对流烤炉、蒸汽炊具和蒸汽对流炉的特殊要求	China National Standards 4:	English PDF
GB/T 4706.44-2024	Safety of household and similar electrical appliances - Part 44: Particular requirements for heat storage room heaters {译} 家用和类似用途电器的安全-第44部分：储热式室内加热器的特殊要求	China National Standards 4:	English PDF
GB/T 4706.94-2024	Safety of household and similar electrical appliances - Part 94: Particular requirements for appliances with electrical connections for use with gas, oil and solid fuels {译} 家用和类似用途电器的安全-第94部分：带有电气连接的使用燃气、燃油和固体燃料器具的特殊要求	China National Standards 4:	English PDF
GB/T 4706.84-2024	Safety of household and similar electrical appliances - Part 84: Particular requirements for fabric steamers {译} 家用和类似用途电器的安全-第84部分：织物蒸汽机的特殊要求	China National Standards 4:	English PDF
GB/T 4706.14-2024	Safety of household and similar electrical appliances - Part 14: Particular requirements for grills, toasters and similar portable cooking appliances {译} 家用和类似用途电器的安全-第14部分：烤架、面包片烘烤器及类似用途便携式烹饪器具的特殊要求	China National Standards 4:	English PDF
GB/T 4706.24-2024	Safety of household and similar electrical appliances - Part 24: Particular requirements for washing machines {译} 家用和类似用途电器的安全-第24部分：洗衣机的特殊要求	China National Standards 4:	English PDF
GB/T 44165.4-2024	Detection methods for key chemical substances in consumer products-Part 4: 1,4-dichlorobenzene {译} 消费品中重点化学物质检测方法-第4部分：1,4-二氯苯	China National Standards 4:	English PDF
GB/T 44083.4-2024	Road vehicles - Methods and rules for evaluating the usability of child restraint systems and their installation in vehicle fixing systems - Part 4: Booster seats and booster cushions {译} 道路车辆-儿童约束系统以及与车辆固定系统配装的使用性评价方法和规则-第4部分：增高椅和增高垫	China National Standards 4:	English PDF
GB/T 10781.4-2024	Quality requirements for liquor - Part 4: Maotai-flavor liquor {译} 白酒质量要求-第4部分：酱香型白酒	China National Standards 4:	English PDF
GB/T 34877.4-2024	Industrial fans-Determination of sound power level of fans under standard laboratory conditions-Part 4: Sound intensity method {译} 工业风机-标准实验室条件下风机声功率级的测定-第4部分：声强法	China National Standards 4:	English PDF
GB/T 33475.4-2024	Information technology - High efficiency multimedia coding - Part 4: Conformity testing {译} 信息技术-高效多媒体编码-第4部分：符合性测试	China National Standards 4:	English PDF
GB/T 44069.4-2024	Ferrite cores - Guidelines for size and surface defect limits - Part 4: RM type cores {译} 铁氧体磁心-尺寸和表面缺陷极限导则-第4部分:RM型磁心	China National Standards 4:	English PDF
GB/Z 3480.4-2024	Calculation of load capacity of spur and helical gears - Part 4: Calculation of load capacity of tooth surface fracture {译} 直齿轮和斜齿轮承载能力计算-第4部分：齿面断裂承载能力计算	China National Standards 4:	English PDF
GB/T 18336.4-2024	Network security technology - Information technology security assessment criteria - Part 4: Normative framework for assessment methods and activities {译} 网络安全技术-信息技术安全评估准则-第4部分：评估方法和活动的规范框架	China National Standards 4:	English PDF
GB/T 4074.4-2024	Test methods for winding wires - Part 4: Chemical properties {译} 绕组线试验方法-第4部分：化学性能	China National Standards 4:	English PDF
GB/T 42151.4-2024	Electric power automation communication networks and systems-Part 4: System and project management {译} 电力自动化通信网络和系统-第4部分：系统和项目管理	China National Standards 4:	English PDF
GB/T 43590.504-2024	Laser display devices-Part 5-4: Optical test methods for colored speckle {译} 激光显示器件-第5-4部分：彩色散斑的光学测试方法	China National Standards 4:	English PDF
GB/T 43905.4-2024	Laboratory methods for sampling fumes and gases for welding and related processes - Part 4: Emission limits of welding fumes from welding materials {译} 焊接及相关工艺中烟尘和气体取样的实验室方法-第4部分：焊接材料焊接烟尘排放限值	China National Standards 4:	English PDF
GB/T 43917.4-2024	Welding fume capture and separation equipment-Part 4: Determination of minimum air volume of capture device {译} 焊接烟尘捕集和分离设备-第4部分：捕集装置最小风量的测定	China National Standards 4:	English PDF
GB/T 44021.4-2024	Audio, video and related equipment - Power consumption measurement - Part 4: Video recording equipment {译} 音视频及相关设备-功耗测量-第4部分：录像设备	China National Standards 4:	English PDF
GB/T 15843.4-2024	Information technology - Security technology - Entity authentication - Part 4: Mechanisms using cryptographic check functions {译} 信息技术-安全技术-实体鉴别-第4部分：采用密码校验函数的机制	China National Standards 4:	English PDF
GB/T 37364.4-2024	Technical regulations for surveying terrestrial wildlife and their habitats-Part 4: Birds {译} 陆生野生动物及其栖息地调查技术规程-第4部分：鸟类	China National Standards 4:	English PDF
GB/T 311.14-2024	Insulation coordination-Part 14: Insulation coordination of AC/DC filters in high-voltage direct current systems {译} 绝缘配合-第14部分：高压直流系统AC/DC滤波器绝缘配合	China National Standards 4:	English PDF
GB/T 34961.4-2024	Information technology - Implementation and operation of user building cluster cabling - Part 4: Measurement of end-to-end (E2E) links, modular plug-terminated links (MPTLs) and direct-connect cabling {译} 信息技术-用户建筑群布缆的实现和操作-第4部分：端到端（E2E）链路、模块化插头端接链路（MPTLs）和直连布缆的测量	China National Standards 4:	English PDF
GB/T 18721.4-2024	Printing technology - prepress data exchange - Part 4: Wide color gamut standard color image data for display - [Adobe-RGB- (1998) / SCID] {译} 印刷技术-印前数据交换-第4部分：显示用宽色域标准彩色图像数据-[Adobe-RGB-（1998）/SCID]	China National Standards 4:	English PDF
GB/T 43753.4-2024	Chemical analysis methods for precious metal alloy electroplating wastewater - Part 4: Determination of chloride ion content - silver chloride turbidity method {译} 贵金属合金电镀废水化学分析方法-第4部分：氯离子含量的测定-氯化银浊度法	China National Standards 4:	English PDF
GB/T 28799.4-2024	Heat-resistant polyethylene (PE-RT) piping systems for hot and cold water-Part 4: Valves {译} 冷热水用耐热聚乙烯（PE-RT）管道系统-第4部分：阀门	China National Standards 4:	English PDF
GB/T 43664.1-2024	Plastic pipe systems for trenchless repair of underground non-pressure drainage networks-Part-4: In-situ curing lining method {译} 水处理剂分散性能测定方法-第1部分：分散高岭土法	China National Standards 4:	English PDF
GB/T 40753.3-2024	Supply Chain Security Management System-ISO-28000 Implementation Guide-Part 4: Additional specific guidelines for the implementation of ISO-28000 with compliance to GB/T-38702 as the management target {译} 供应链安全管理体系-ISO-28000实施指南-第3部分：中小企业采用ISO-28000的附加特定指南（海港除外）	China National Standards 4:	English PDF
GB/T 43880.3-2024	Service-oriented manufacturing-Guidelines-Part 4: Capability evaluation {译} 服务型制造-导则-第3部分：资源管理	China National Standards 4:	English PDF
GB/Z 29014.2-2024	Cutting tool data representation and exchange-Part 4: Reference dictionary for adaptation items {译} 切削刀具数据表达与交换-第2部分：切削项目参考字典	China National Standards 4:	English PDF
GB/T 43064.2-2024	Guidelines for smart factory construction - Part 4: Preparation of smart factory design documents {译} 智能工厂建设导则-第2部分：虚拟工厂建设	China National Standards 4:	English PDF
GB/T 18910.41-2024	Liquid crystal display devices - Part 4: Liquid crystal display modules and screens - Basic ratings and characteristics {译} 液晶显示器件-第4-1部分：彩色矩阵液晶显示模块-基本额定值和特性	China National Standards 4:	English PDF
GB/T 4937.34-2024	Semiconductor devices - Mechanical and climatic test methods - Part 34: Power cycling {译} 半导体器件-机械和气候试验方法-第34部分：功率循环	China National Standards 4:	English PDF
GB/T 43407.4-2023	Road vehicles Ergonomic requirements for driving areas of low-floor passenger buses running on dedicated lines Part 4: Driving area environment {译} 道路车辆低地板专线行驶客车驾驶区人体工程学要求第4部分：驾驶区环境	China National Standards 4:	English PDF
GB/T 43330.4-2023	Ship's ballast water treatment systems Part 4: Discharge sampling devices and procedures {译} 船舶压载水处理系统第4部分：排放取样装置和规程	China National Standards 4:	English PDF
GB/T 32151.14-2023	Carbon emission accounting and reporting requirements Part 14: Other non-ferrous metal smelting and rolling processing enterprises {译} 碳排放核算与报告要求第14部分：其他有色金属冶炼和压延加工企业	China National Standards 4:	English PDF
GB/T 31308.4-2023	Data elements, processes and documents in administration, commerce and industry Long-lasting signatures Part 4: Attestation object attributes for long-lasting signature formats {译} 行政、商业和行业中的数据元、过程和文档长效签名第4部分：用于长效签名格式的存证对象属性	China National Standards 4:	English PDF
GB/T 23031.4-2023	Industrial Internet Platform Application Implementation Guide Part 4: Networked Collaboration {译} 工业互联网平台应用实施指南第4部分：网络化协同	China National Standards 4:	English PDF
GB/Z 41275.4-2023	Avionics Process Management Aerospace and Defense Electronic Systems Containing Lead-Free Solder Part 4: Ball Grid Array Ball Installation {译} 航空电子过程管理含无铅焊料航空航天及国防电子系统第4部分：球栅阵列植球	China National Standards 4:	English PDF
GB/T 7256.4-2023	Civil airport navigation aids Part 4: Wind vane {译} 民用机场助航灯具第4部分:风向标	China National Standards 4:	English PDF
GB/T 7000.224-2023	Luminaires Part 2-24: Special requirements Limited surface temperature luminaires {译} 灯具第2-24部分：特殊要求限制表面温度灯具	China National Standards 4:	English PDF
GB/T 7000.204-2023	Luminaires Part 2-4: Special requirements for portable general purpose luminaires {译} 灯具第2-4部分：特殊要求可移式通用灯具	China National Standards 4:	English PDF
GB/Z 6113.404-2023	Specification for radio disturbance and immunity measuring equipment and measurement methods Part 4-4: Uncertainty, statistics and limit value modeling Statistics of complaints and limit value calculation model for the protection of radio services {译} 无线电骚扰和抗扰度测量设备和测量方法规范第4-4部分：不确定度、统计学和限值建模投诉的统计和保护无线电业务的限值计算模型	China National Standards 4:	English PDF
GB/T 4893.4-2023	Testing of physical and chemical properties of paint films on furniture surfaces Part 4: Adhesion cross-cut determination method {译} 家具表面漆膜理化性能试验第4部分：附着力交叉切割测定法	China National Standards 4:	English PDF
GB/T 18916.14-2023	Water quotas Part 14: Woolen textile products {译} 取水定额第14部分：毛纺织产品	China National Standards 4:	English PDF
GB/T 29165.4-2023	Oil and gas industry Glass fiber reinforced plastic pipes Part 4: Assembly, installation and operation {译} 石油天然气工业玻璃纤维增强塑料管第4部分：装配、安装与运行	China National Standards 4:	English PDF
GB/T 25684.14-2023	Earthmoving machinery - Safety Part 14: Requirements for small implement carriers {译} 土方机械安全第14部分：小型机具承载机的要求	China National Standards 4:	English PDF
GB/T 30117.4-2023	Photobiosafety of lamps and lamp systems Part 4: Measurement methods {译} 灯和灯系统的光生物安全第4部分：测量方法	China National Standards 4:	English PDF
GB/T 21413.4-2023	Rail transit - Electrical equipment for rolling stock - Part 4: Electrical components - Rules for AC circuit breakers {译} 轨道交通机车车辆电气设备第4部分：电工器件交流断路器规则	China National Standards 4:	English PDF
GB/T 42513.4-2023	Methods for chemical analysis of nickel alloys Part 4: Determination of silicon content Nitrous oxide-flame atomic absorption spectrometry and molybdenum blue spectrophotometry {译} 镍合金化学分析方法第4部分：硅含量的测定一氧化二氮-火焰原子吸收光谱法和钼蓝分光光度法	China National Standards 4:	English PDF
GB/T 27612.4-2023	Agricultural irrigation equipment sprinkler heads Part 4: Durability test methods {译} 农业灌溉设备喷头第4部分：耐久性试验方法	China National Standards 4:	English PDF
GB/T 18690.4-2023	Agricultural irrigation equipment - Filters for micro-irrigation - Part 4: Granular media filters {译} 农业灌溉设备微灌用过滤器第4部分：颗粒介质过滤器	China National Standards 4:	English PDF
GB/T 40283.4-2023	Automation Systems and Integration Competency Unit Interoperability for Manufacturing Application Solutions Part 4: Competency Unit Assessment of Manufacturing Application Requirements {译} 自动化系统与集成制造应用解决方案的能力单元互操作第4部分：制造应用需求的能力单元评估	China National Standards 4:	English PDF
GB/T 43258.4-2023	Road vehicles Diagnostic communications over Internet Protocol (DoIP) Part 4: Ethernet-based high-speed data link connectors {译} 道路车辆基于因特网协议的诊断通信 (DoIP) 第4部分: 基于以太网的高速数据链路连接器	China National Standards 4:	English PDF
GB/T 43253.4-2023	Road vehicles Functional safety audit and assessment methods Part 4: Hardware level {译} 道路车辆功能安全审核及评估方法第4部分：硬件层面	China National Standards 4:	English PDF
GB/T 23101.4-2023	Surgical implants Hydroxyapatite Part 4: Determination of coating bond strength {译} 外科植入物羟基磷灰石第4部分：涂层粘结强度的测定	China National Standards 4:	English PDF
GB/T 17529.4-2023	Acrylic acids and esters for industrial use Part 4: n-Butyl acrylate for industrial use {译} 工业用丙烯酸及酯第4部分：工业用丙烯酸正丁酯	China National Standards 4:	English PDF
GB/T 43326.4-2023	Snow blowers - Safety requirements and test methods - Part 4: Additional national and regional requirements {译} 抛雪机安全要求和试验方法第4部分：国家和地区的附加要求	China National Standards 4:	English PDF
GB/T 15558.4-2023	Buried polyethylene (PE) piping systems for gas use Part 4: Valves {译} 燃气用埋地聚乙烯（PE）管道系统第4部分：阀门	China National Standards 4:	English PDF
GB/T 13871.4-2023	Rotating shaft lip seals with elastomer sealing elements - Part 4: Performance test procedures {译} 密封元件为弹性体材料的旋转轴唇形密封圈第4部分：性能试验程序	China National Standards 4:	English PDF
GB/T 43316.4-2023	Plastics - Determination of environmental stress cracking (ESC) resistance - Part 4: Ball or pin pressure method {译} 塑料耐环境应力开裂(ESC)的测定第4部分:球压或针压法	China National Standards 4:	English PDF
GB/T 5338.4-2023	Series 1 containers Technical requirements and test methods Part 4: Unpressurized dry bulk containers {译} 系列1集装箱技术要求和试验方法第4部分：无压干散货集装箱	China National Standards 4:	English PDF
GB 16994.4-2023	Safety requirements for port operations Part 4: General cargo containers {译} 港口作业安全要求第4部分：普通货物集装箱	China National Standards 4:	English PDF
GB/Z 40602.4-2023	Radio interference from antennas and receiving systems Part 4: Wireless receiving systems Electromagnetic compatibility test methods for electronic equipment with integrated wireless modules {译} 天线及接收系统的无线电干扰第4部分：无线接收系统集成无线模块电子设备电磁兼容测试方法	China National Standards 4:	English PDF
GB/Z 18975.4-2023	Industrial Automation Systems and Integration Process Plant (Including Oil and Gas Production Facilities) Life Cycle Data Integration Part 4: Initial Reference Data {译} 工业自动化系统与集成流程工厂（包括石油和天然气生产设施）生命周期数据集成第4部分：初始参考数据	China National Standards 4:	English PDF
GB/T 7409.4-2023	Synchronous motor excitation system Part 4: Technical requirements for small and medium-sized synchronous motor excitation system {译} 同步电机励磁系统第4部分：中小型同步电机励磁系统技术要求	China National Standards 4:	English PDF
GB/T 5170.14-2023	Inspection methods for environmental testing equipment Part 14: Electric vibration system for vibration (sinusoidal) testing {译} 环境试验设备检验方法第14部分：振动（正弦）试验用电动式振动系统	China National Standards 4:	English PDF
GB/T 5169.34-2023	Fire hazard tests for electrical and electronic products Part 34: Guidelines for fire hazard assessment Ignitability Summary and relevance of test methods {译} 电工电子产品着火危险试验第34部分：着火危险评定导则起燃性试验方法概要和相关性	China National Standards 4:	English PDF
GB/T 43201.4-2023	Industrial Automation Systems and Integration Standardized Procedures for Production Systems Engineering Part 4: Key Performance Indicators in the Production Planning Process {译} 工业自动化系统与集成生产系统工程的标准化程序第4部分：生产计划过程中的关键绩效指标	China National Standards 4:	English PDF
GB/T 43077.4-2023	Hydraulic Transmission Connections Plain Threaded Flat Ports and Stud Ends Part 4: Hexagonal Screw Plug {译} 液压传动连接普通螺纹平油口和螺柱端第4部分：六角螺塞	China National Standards 4:	English PDF
GB/T 42983.4-2023	Industrial Robot Operation and Maintenance Part 4: Predictive Maintenance {译} 工业机器人运行维护第4部分：预测性维护	China National Standards 4:	English PDF
GB/T 29493.4-2023	Determination of harmful substances in textile dyeing and finishing auxiliaries Part 4: Determination of polycyclic aromatic hydrocarbons (PAHs) {译} 纺织染整助剂中有害物质的测定第4部分：多环芳烃化合物（PAHs）的测定	China National Standards 4:	English PDF
GB/T 28059.4-2023	Highway Network Image Information Management System Platform Interconnection Technical Specifications Part 4: User and Equipment Management {译} 公路网图像信息管理系统平台互联技术规范第4部分：用户及设备管理	China National Standards 4:	English PDF
GB/T 26949.24-2023	Industrial Vehicles Stability Verification Part 24: Off-Road Slewing Telescopic Forklift {译} 工业车辆稳定性验证第24部分：越野型回转伸缩臂式叉车	China National Standards 4:	English PDF
GB/T 22317.4-2023	Quality-assessed piezoelectric filters Part 4: Sub-specifications Capability approval {译} 有质量评定的压电滤波器第4部分：分规范能力批准	China National Standards 4:	English PDF
GB/T 20688.4-2023	Rubber Bearings Part 4: Ordinary Rubber Bearings {译} 橡胶支座第4部分：普通橡胶支座	China National Standards 4:	English PDF
GB/T 20234.4-2023	Connecting devices for conductive charging of electric vehicles Part 4: High-power DC charging interface {译} 电动汽车传导充电用连接装置第4部分：大功率直流充电接口	China National Standards 4:	English PDF
GB/T 17693.14-2023	Guidelines for Translating and Writing Chinese Characters of Place Names in Foreign Languages Part 14: Vietnamese {译} 外语地名汉字译写导则第14部分:越南语	China National Standards 4:	English PDF
GB/T 10357.4-2023	Furniture mechanical properties test Part 4: Cabinet stability {译} 家具力学性能试验第4部分：柜类稳定性	China National Standards 4:	English PDF
GB/T 42629.4-2023	International Code of Conduct for Environmental Surveys of Seabed Areas and High Seas Part 4: Survey of Physical Properties of Marine Sediments {译} 国际海底区域和公海环境调查规程第4部分：海洋沉积物物理特性调查	China National Standards 4:	English PDF
GB/T 28712.4-2023	Heat exchanger types and basic parameters Part 4: Thermosiphon reboiler {译} 热交换器型式与基本参数第4部分：热虹吸式重沸器	China National Standards 4:	English PDF
GB/T 6150.4-2023	Chemical analysis methods for tungsten concentrates Part 4: Determination of sulfur content High-frequency induction infrared absorption method and combustion-iodometric method {译} 钨精矿化学分析方法第4部分：硫含量的测定高频感应红外吸收法和燃烧-碘量法	China National Standards 4:	English PDF
GB/T 20147.4-2023	Colorimetry Part 4: CIE 1976 L* a* b* color space {译} 色度学第4部分：CIE 1976 L* a* b*颜色空间	China National Standards 4:	English PDF
GB/T 20564.14-2023	High-strength cold-rolled steel plates and strips for automobiles Part 14: Low-density steel {译} 汽车用高强度冷连轧钢板及钢带第14部分：低密度钢	China National Standards 4:	English PDF
GB/T 713.4-2023	Steel plates and strips for pressure equipment Part 4: Nickel alloy steels with specified low temperature properties {译} 承压设备用钢板和钢带第4部分：规定低温性能的镍合金钢	China National Standards 4:	English PDF
GB/T 20818.14-2023	Industrial process measurement and control - Data structures and elements in process equipment catalogs - Part 14: List of properties (LOP) for electronic data exchange of temperature measuring equipment {译} 工业过程测量和控制过程设备目录中的数据结构和元素第14部分：温度测量设备电子数据交换用属性列表(LOP)	China National Standards 4:	English PDF
GB/T 15092.4-2023	Appliance switches Part 2-4: Special requirements for independently installed switches {译} 器具开关第2-4部分：独立安装开关的特殊要求	China National Standards 4:	English PDF
GB/T 42658.4-2023	Surface Chemical Analysis Sample Handling, Preparation and Setup Guide Part 4: Reporting information on the origin, preparation, handling and set-up of nanoobjects prior to surface analysis {译} 表面化学分析样品处理、制备和安装指南第4部分: 报告表面分析前纳米物体相关的来历、制备、处理和安装信息	China National Standards 4:	English PDF
GB/T 42924.4-2023	Plastics. Smoke generation. Determination of corrosiveness of combustion streams. Part 4: Dynamic decomposition method using a cone corrosion meter. {译} 塑料烟雾产生燃烧流腐蚀性的测定第4部分:使用锥形腐蚀计的动态分解法	China National Standards 4:	English PDF
GB/T 42919.4-2023	Plastics - Determination of thermal conductivity and thermal diffusivity - Part 4: Laser flash method {译} 塑料导热系数和热扩散系数的测定第4部分:激光闪光法	China National Standards 4:	English PDF
GB/T 33061.4-2023	Plastics - Determination of dynamic mechanical properties - Part 4: Non-resonant tensile vibration method {译} 塑料动态力学性能的测定第4部分: 非共振拉伸振动法	China National Standards 4:	English PDF
GB/T 22188.4-2023	Ergonomic Design of Control Centers Part 4: Workstation Layout and Dimensions {译} 控制中心的人类工效学设计第4部分：工作站的布局和尺寸	China National Standards 4:	English PDF
GB/T 4798.4-2023	Classification of environmental conditions Classification of environmental parameter groups and their severity levels Part 4: Stationary use in places without weather protection {译} 环境条件分类环境参数组分类及其严酷程度分级第4部分：无气候防护场所固定使用	China National Standards 4:	English PDF
GB/T 19749.4-2023	Coupling capacitors and capacitive voltage dividers - Part 4: DC or AC single-phase capacitive voltage dividers {译} 耦合电容器及电容分压器第4部分：直流或交流单相电容分压器	China National Standards 4:	English PDF
GB/T 26237.14-2023	Information technology - Biometric data exchange format - Part 14: DNA data {译} 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 4678.14-2023	Die-casting mold parts - Part 14: Stop pins {译} 压铸模零件第14部分：限位钉	China National Standards 4:	English PDF
GB/T 42691.4-2023	Road vehicles - Local area interconnect network (LIN) - Part 4: 12V/24V electrical physical layer specification {译} 道路车辆局域互联网络（LIN）第4部分：12V/24V电气物理层规范	China National Standards 4:	English PDF
GB/T 14034.4-2023	Hydraulic power connections - Metallic pipe fittings - Part 4: 60° cone {译} 液压传动连接金属管接头第4部分：60°锥形	China National Standards 4:	English PDF
GB/T 10827.4-2023	Industrial vehicles - Safety requirements and verification - Part 4: Unmanned industrial vehicles and their systems {译} 工业车辆安全要求和验证第4部分：无人驾驶工业车辆及其系统	China National Standards 4:	English PDF
GB/T 31887.4-2023	Bicycles - Lighting and retro-reflective devices - Part 4: Lighting systems powered by bicycle generators {译} 自行车照明和回复反射装置第4部分：自行车发电机供电的照明系统	China National Standards 4:	English PDF
GB/T 27698.4-2023	Performance test methods for heat exchangers and heat transfer elements - Part 4: Noise determination of air coolers {译} 热交换器及传热元件性能测试方法第4部分：空冷器噪声测定	China National Standards 4:	English PDF
GB/T 18453.4-2023	Cranes - Maintenance manual - Part 4: Jib cranes {译} 起重机维护手册第4部分：臂架起重机	China National Standards 4:	English PDF
GB/T 17909.4-2023	Cranes - Operating manual - Part 4: Jib cranes {译} 起重机操作手册第4部分：臂架起重机	China National Standards 4:	English PDF
GB/T 42756.4-2023	Card and identification security devices - Contactless proximity objects - Part 4: Transmission protocols {译} 卡及身份识别安全设备无触点接近式对象第4部分：传输协议	China National Standards 4:	English PDF
GB/T 8190.4-2023	Reciprocating internal combustion engines - Emissions measurement - Part 4: Steady-state and transient test cycles for engines of different uses {译} 往复式内燃机排放测量第4部分：不同用途发动机的稳态和瞬态试验循环	China National Standards 4:	English PDF
GB/T 42474.4-2023	Safety Monitoring System for Vehicle Transportation of Explosive Hazardous Chemicals Part 4: Monitoring Client {译} 爆炸危险化学品汽车运输安全监控系统第4部分：监控客户端	China National Standards 4:	English PDF
GB/T 42749.4-2023	Information technology - IT enablement service business process outsourcing (ITES-BPO) life cycle process - Part 4: Terminology and concepts {译} 信息技术 IT赋能服务业务过程外包（ITES-BPO）生存周期过程第4部分：术语和概念	China National Standards 4:	English PDF
GB/T 15879.604-2023	Mechanical standardization of semiconductor devices - Part 6-4: General rules for drawing outline drawings of surface mount semiconductor device packages - Dimensional measurement methods for ball array (BGA) packages {译} 半导体器件的机械标准化第6-4部分：表面安装半导体器件封装外形图绘制的一般规则焊球阵列（BGA）封装的尺寸测量方法	China National Standards 4:	English PDF
GB/T 39545.4-2023	Design and selection of components for enclosed gear drives - Part 4: Balance classes for flexible couplings {译} 闭式齿轮传动装置的零部件设计和选择第4部分：挠性联轴器平衡等级	China National Standards 4:	English PDF
GB/T 41339.4-2023	Technical Guidelines for Marine Ecological Restoration Part 4: Ecological Restoration of Seagrass Beds {译} 海洋生态修复技术指南第4部分：海草床生态修复	China National Standards 4:	English PDF
GB/T 5750.4-2023	Standard test methods for drinking water - Part 4: Sensory properties and physical indicators {译} 生活饮用水标准检验方法第4部分：感官性状和物理指标	China National Standards 4:	English PDF
GB/T 42467.4-2023	Clinical Terminology of Traditional Chinese Medicine Part 4: Anorectal Science {译} 中医临床名词术语第4部分：肛肠科学	China National Standards 4:	English PDF
GB/Z 42468.4-2023	Specifications for Rescue and Restoration of Paper Archives Part 4: Restoration Operation Guide {译} 纸质档案抢救与修复规范第4部分：修复操作指南	China National Standards 4:	English PDF
GB/T 2317.4-2023	Test methods for electrical fittings - Part 4: Rules for acceptance {译} 电力金具试验方法第4部分：验收规则	China National Standards 4:	English PDF
GB/T 33767.14-2023	Information technology - Biometric sample quality - Part 14: DNA data {译} 信息技术生物特征样本质量第14部分：DNA数据	China National Standards 4:	English PDF
GB/T 37162.4-2023	Hydraulic transmission - Monitoring of particle contamination of liquids - Part 4: Application of shading technology {译} 液压传动液体颗粒污染度的监测第4部分：遮光技术的应用	China National Standards 4:	English PDF
GB/T 16656.14-2023	Industrial Automation System and Integration Product Data Representation and Exchange Part 14: Description Method: EXPRESS-X Language Reference Manual {译} 工业自动化系统与集成产品数据表达与交换第14部分：描述方法：EXPRESS-X语言参考手册	China National Standards 4:	English PDF
GB/T 21078.4-2023	Financial services - Personal identification number management and security - Part 4: Approved PIN encryption algorithms {译} 金融服务个人识别码管理与安全第4部分：核准的PIN加密算法	China National Standards 4:	English PDF
GB/T 41734.4-2023	Radio frequency identification of animals - Part 4: Performance evaluation of radio frequency identification readers in accordance with GB/T 20563 and GB/T 22334 {译} 动物射频识别第4部分：符合GB/T 20563和GB/T 22334的射频识别读写器性能评估	China National Standards 4:	English PDF
GB/T 24421.4-2023	Guidelines for Standardization Work of Service Industry Organizations Part 4: Implementation and Evaluation of Standards {译} 服务业组织标准化工作指南第4部分：标准实施及评价	China National Standards 4:	English PDF
GB/T 30966.4-2023	Wind turbines - Communications for wind farm monitoring systems - Part 4: Mapping to communication protocols {译} 风力发电机组风力发电场监控系统通信第4部分：映射到通信规约	China National Standards 4:	English PDF
GB/T 42383.4-2023	Intelligent Manufacturing Network Collaborative Design Part 4: Design Requirements for the Whole Life Cycle {译} 智能制造网络协同设计第4部分：面向全生命周期设计要求	China National Standards 4:	English PDF
GB/T 42125.14-2023	Safety requirements for electrical equipment for measurement, control and laboratory use - Part 14: Particular requirements for automatic and semi-automatic laboratory equipment for analysis and other purposes {译} 测量、控制和实验室用电气设备的安全要求第14部分：实验室用分析和其他目的自动和半自动设备的特殊要求	China National Standards 4:	English PDF
GB/T 24721.4-2023	Glass fiber reinforced plastic products for road use - Part 4: Unpressurized communication manhole covers {译} 公路用玻璃纤维增强塑料产品第4部分：非承压通信井盖	China National Standards 4:	English PDF
GB/T 6346.14-2023	Fixed capacitors for electronic equipment - Part 14: Sectional specification Fixed capacitors for suppressing electromagnetic interference in power supplies {译} 电子设备用固定电容器第14部分：分规范抑制电源电磁干扰用固定电容器	China National Standards 4:	English PDF
GB 9706.204-2022	Medical electrical equipment - Part 2-4: Particular requirements for basic safety and essential performance of cardiac defibrillators {译} 医用电气设备第2-4部分：心脏除颤器的基本安全和基本性能专用要求	China National Standards 4:	English PDF
GB/Z 28820.4-2022	Long-term radiation aging of polymers - Part 4: Effect of different temperatures and dose rates under radiation conditions {译} 聚合物长期辐射老化第4部分：辐射条件下不同温度和剂量率的影响	China National Standards 4:	English PDF
GB/T 26610.4-2022	Implementation Guidelines for Risk-Based Inspection of Pressure Equipment Systems Part 4: Quantitative Analysis Method of Failure Possibility {译} 承压设备系统基于风险的检验实施导则第4部分：失效可能性定量分析方法	China National Standards 4:	English PDF
GB/T 8005.4-2022	Terminology for aluminum and aluminum alloys - Part 4: Recycled aluminum {译} 铝及铝合金术语第4部分：回收铝	China National Standards 4:	English PDF
GB/T 26949.4-2022	Industrial vehicles—Verification of stability—Part 4: Pallet stackers, double-deck stackers and orderers with a lift height not greater than 1 200 mm at the operator's position {译} 工业车辆稳定性验证第4部分：托盘堆垛车、双层堆垛车和操作者位置起升高度不大于1 200 mm的拣选车	China National Standards 4:	English PDF
GB/T 20564.4-2022	High-strength cold-rolled steel sheets and strips for automobiles - Part 4: Low-alloy high-strength steels {译} 汽车用高强度冷连轧钢板及钢带第4部分：低合金高强度钢	China National Standards 4:	English PDF
GB/T 32250.4-2022	Agricultural and forestry machinery Testing of sprayers in use Part 4: Stationary and semi-mobile sprayers {译} 农林机械在用喷雾机的检测第4部分：固定式和半移动式喷雾机	China National Standards 4:	English PDF
GB/T 5900.4-2022	Machine tools - Dimensions of spindle end and chuck connections - Part 4: Cylindrical connections {译} 机床主轴端部与卡盘连接尺寸第4部分：圆柱连接	China National Standards 4:	English PDF
GB/T 41588.4-2022	Road vehicles - Controller area network (CAN) - Part 4: Time-triggered communication {译} 道路车辆控制器局域网（CAN）第4部分：时间触发通信	China National Standards 4:	English PDF
GB/T 41590.4-2022	Road vehicles K-line based diagnostic communication - Part 4: Emissions related system requirements {译} 道路车辆基于K线的诊断通信第4部分：排放相关系统要求	China National Standards 4:	English PDF
GB/T 21944.4-2022	Silicon carbide special products - Reaction sintered silicon carbide kiln furniture - Part 4: Burner sleeves {译} 碳化硅特种制品反应烧结碳化硅窑具第4部分：烧嘴套	China National Standards 4:	English PDF
GB/T 18916.4-2022	Water intake quota - Part 4: Textile dyeing and finishing products {译} 取水定额第4部分：纺织染整产品	China National Standards 4:	English PDF
GB/T 1927.14-2022	Test methods for physical and mechanical properties of small unblemished specimens of wood - Part 14: Determination of tensile strength along the grain {译} 无疵小试样木材物理力学性质试验方法第14部分：顺纹抗拉强度测定	China National Standards 4:	English PDF
GB/T 16886.4-2022	Biological evaluation of medical devices - Part 4: selection of interaction test with blood {译} 医疗器械生物学评价第4部分：与血液相互作用试验选择	China National Standards 4:	English PDF
GB/Z 41476.4-2022	Non destructive testing instruments - radiation protection rules for X-ray equipment up to 1mV - Part 4: Calculation of control area {译} 无损检测仪器 1MV以下X射线设备的辐射防护规则第4部分：控制区域的计算	China National Standards 4:	English PDF
GB/T 21098-2022	Lamp caps and holders and gauges for checking their safety and interchangeability - Part 4: guidelines and general information {译} 灯头、灯座及检验其安全性和互换性的量规第4部分：导则及一般信息	China National Standards 4:	English PDF
GB/T 20887.4-2022	High strength hot rolled steel sheet and strip for automobile part 4: transformation induced plastic steel {译} 汽车用高强度热连轧钢板及钢带第4部分:相变诱导塑性钢	China National Standards 4:	English PDF
GB/T 19769.4-2022	Function blocks - Part 4: Rules for consistent line rules {译} 功能块第4部分：一致性行规的规则	China National Standards 4:	English PDF
GB/T 18380.34-2022	Fire tests of electric and optical cables under fire conditions - Part 34: vertical flame spread test for vertically mounted bunched wires and cables, class B {译} 电缆和光缆在火焰条件下的燃烧试验第34部分：垂直安装的成束电线电缆火焰垂直蔓延试验　B类	China National Standards 4:	English PDF
GB/T 16422.4-2022	Plastics - laboratory light source exposure test methods - Part 4: open carbon arc lamps {译} 塑料实验室光源暴露试验方法第4部分：开放式碳弧灯	China National Standards 4:	English PDF
GB/T 14571.4-2022	Test methods for ethylene glycol for industrial use Part 4: Determination of ultraviolet transmittance ultraviolet spectrophotometric method {译} 工业用乙二醇试验方法第4部分：紫外透光率的测定紫外分光光度法	China National Standards 4:	English PDF
GB/T 22459.4-2022	Refractory mortars—Part 4: Determination of flexural bonding strength 耐火泥浆第4部分：常温抗折粘接强度试验方法	China National Standards 4:	English PDF

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