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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 28181-2022 |
Technical requirements for information transmission, excHAnge and control of public security video surveillance networking system 公共安全视频监控联网系统信息传输、交换、控制技术要求 |
China National Standards HA |
 English PDF |
| GB/T 38812.4-2022 |
Direct reduced iron - Determination of metallic iron content - Bromine-metHAnol titration 直接还原铁 金属铁含量的测定 溴-甲醇滴定法 |
China National Standards HA |
English PDF |
| GB/T 41948-2022 |
Particle CHAracterization Sample Preparation 颗粒表征 样品准备 |
China National Standards HA |
English PDF |
| GB/T 42266-2022 |
Flexible porous polymeric materials - Laboratory evaluation of the combustion cHAracteristics of small specimens in the horizontal direction under a small flame 柔性多孔聚合物材料 小试样在小火焰下水平方向燃烧特性的实验室评估 |
China National Standards HA |
English PDF |
| GB/T 39693.8-2022 |
Vulcanized rubber or thermoplastic rubber - Determination of HArdness - Part 8: Determination of apparent hardness of rubber rollers by Zhao's hardness (P&J) method 硫化橡胶或热塑性橡胶 硬度的测定 第8部分：赵氏硬度（P&J)法测定胶辊的表观硬度 |
China National Standards HA |
English PDF |
| GB/T 39693.7-2022 |
Vulcanized rubber or thermoplastic rubber - Determination of HArdness - Part 7: Determination of the apparent hardness of rubber rollers by the Shore hardness method 硫化橡胶或热塑性橡胶 硬度的测定 第7部分：邵氏硬度法测定胶辊的表观硬度 |
China National Standards HA |
English PDF |
| GB/T 33523.606-2022 |
Geometric Product Specification (GPS) Surface Structure Area Method Part 606: Nominal CHAracteristics of Non-Contact (Zoom) Type Instruments 产品几何技术规范（GPS） 表面结构 区域法 第606部分：非接触（变焦）式仪器的标称特性 |
China National Standards HA |
English PDF |
| GB/T 33523.605-2022 |
Product Geometric Specifications (GPS) Surface Structure Area Method Part 605: Nominal CHAracteristics of Non-Contact (Point AF Probe) Type Instruments 产品几何技术规范（GPS） 表面结构 区域法 第605部分：非接触（点自动对焦探针）式仪器的标称特性 |
China National Standards HA |
English PDF |
| GB/T 33523.602-2022 |
Product Geometry Specification (GPS) Surface Structure Area Method Part 602: Nominal CHAracteristics of Non-Contact (Confocal Chromatic Probe) Type Instruments 产品几何技术规范（GPS） 表面结构 区域法 第602部分：非接触（共聚焦色差探针）式仪器的标称特性 |
China National Standards HA |
English PDF |
| GB/T 33523.604-2022 |
Product Geometry Specification (GPS) Surface Structure Area Method Part 604: Nominal CHAracteristics of Non-Contact (Coherent Scanning Interferometry) Type Instruments 产品几何技术规范（GPS） 表面结构 区域法 第604部分：非接触（相干扫描干涉）式仪器的标称特性 |
China National Standards HA |
English PDF |
| GB/T 33523.603-2022 |
Product Geometry Specification (GPS) Surface Structure Area Method Part 603: Nominal Properties of Non-Contact (PHAse Shift Interferometry) Type Instruments 产品几何技术规范（GPS） 表面结构 区域法 第603部分：非接触（相移干涉显微）式仪器的标称特性 |
China National Standards HA |
English PDF |
| GB/T 37211.3-2022 |
Methods for chemical analysis of germanium metal - Part 3: Determination of trace impurity elements - Glow discHArge mass spectrometry 金属锗化学分析方法 第3部分:痕量杂质元素的测定 辉光放电质谱法 |
China National Standards HA |
English PDF |
| GB/T 42260-2022 |
Lithium iron phospHAte electrochemical performance test cycle life test method 磷酸铁锂电化学性能测试 循环寿命测试方法 |
China National Standards HA |
English PDF |
| GB/T 42161-2022 |
Electrochemical Performance Test of Lithium Iron PhospHAte Test Method for First Discharge Specific Capacity and First Charge and Discharge Efficiency 磷酸铁锂电化学性能测试 首次放电比容量及首次充放电效率测试方法 |
China National Standards HA |
English PDF |
| GB/T 42273-2022 |
Zirconium compound chemical analysis method Calcium, HAfnium, titanium, sodium, iron, chromium, cadmium, zinc, manganese, copper, nickel, lead content determination Inductively coupled plasma atomic emission spectrometry 锆化合物化学分析方法 钙、铪、钛、钠、铁、铬、镉、锌、锰、铜、镍、铅含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards HA |
English PDF |
| GB/T 13477.22-2022 |
Test methods for building sealing materials - Part 22: Determination of curing cHAracteristics 建筑密封材料试验方法 第22部分：固化特性的测定 |
China National Standards HA |
English PDF |
| GB/T 42190-2022 |
Technical Guidelines for Satellite Remote Sensing Monitoring HAze 卫星遥感监测技术导则 霾 |
China National Standards HA |
English PDF |
| GB/T 42254-2022 |
Ice regime levels in the BoHAi Sea and the northern part of the Yellow Sea 渤海和黄海北部冰情等级 |
China National Standards HA |
English PDF |
| GB/T 41931-2022 |
Plastics/Rubber Polymer Dispersions and Synthetic Rubber Latex Freeze-THAw Cycle Stability Test 塑料/橡胶 聚合物分散体和合成橡胶胶乳 冻融循环稳定性试验 |
China National Standards HA |
English PDF |
| GB/T 41932-2022 |
Plastics - Determination of fracture toughness (GIC and KIC) - Linear elastic fracture mecHAnics (LEFM) method 塑料 断裂韧性（GIC和KIC）的测定 线弹性断裂力学（LEFM）法 |
China National Standards HA |
English PDF |
| GB/T 41933-2022 |
Plastics - Determination of tension-tension fatigue crack growth - Linear elastic fracture mecHAnics (LEFM) method 塑料 拉-拉疲劳裂纹扩展的测定 线弹性断裂力学(LEFM)法 |
China National Standards HA |
English PDF |
| GB/T 2406.3-2022 |
Plastics - Determination of combustion beHAvior by the oxygen index method - Part 3: High temperature test 塑料 用氧指数法测定燃烧行为 第3部分：高温试验 |
China National Standards HA |
English PDF |
| GB/T 19466.5-2022 |
Plastics - Differential scanning calorimetry (DSC) - Part 5: Determination of cHAracteristic reaction curve temperature, time, enthalpy of reaction and conversion 塑料 差示扫描量热法(DSC) 第5部分: 特征反应曲线温度、时间，反应焓和转化率的测定 |
China National Standards HA |
English PDF |
| GB/T 33061.11-2022 |
Plastics - Determination of dynamic mecHAnical properties - Part 11: Glass transition temperature 塑料 动态力学性能的测定 第11部分: 玻璃化转变温度 |
China National Standards HA |
English PDF |
| GB/T 41937-2022 |
Rubber or plastics coated fabrics-Physical-mecHAnical property tests-Determination of flex resistance by deflectionometer method 橡胶或塑料涂覆织物 物理机械性能试验 挠度仪法测定耐曲挠性 |
China National Standards HA |
English PDF |
| GB/T 7994.3-2022 |
Test methods for glass-lined equipment - Part 3: MecHAnical shock resistance gunshot test 搪玻璃设备试验方法 第3部分：耐机械冲击枪击试验 |
China National Standards HA |
English PDF |
| GB/T 3565.5-2022 |
Safety requirements for bicycles - Part 5: Test methods for HAndlebars 自行车安全要求 第5部分：车把试验方法 |
China National Standards HA |
English PDF |
| GB/T 5291.2-2022 |
Electric discHArge forming machine tools - Accuracy inspection - Part 2: Double column machine tools (moving spindle head type) 电火花成形机床 精度检验 第2部分：双立柱机床（移动主轴头型） |
China National Standards HA |
English PDF |
| GB/T 28784.5-2022 |
MecHAnical vibration - Measurement of vibration in ships - Part 5: Guidelines for the measurement, evaluation and reporting of vibration for the habitability of passenger and merchant ships 机械振动 船舶振动测量 第5部分：客船和商船适居性振动测量、评价和报告准则 |
China National Standards HA |
English PDF |
| GB/T 42109-2022 |
Supply CHAin Asset Management System Implementation Guide 供应链资产管理体系实施指南 |
China National Standards HA |
English PDF |
| GB/T 42186-2022 |
Operational Specifications for Cold CHAin Logistics of Biological Samples for Medical Testing 医学检验生物样本冷链物流运作规范 |
China National Standards HA |
English PDF |
| GB/T 1927.21-2022 |
Test methods for physical and mecHAnical properties of wood with small unblemished specimens - Part 21: Determination of nail holding force 无疵小试样木材物理力学性质试验方法 第21部分：握钉力测定 |
China National Standards HA |
English PDF |
| GB 17625.1-2022 |
Electromagnetic Compatibility Limits Part 1: Limits for HArmonic Current Emissions (Equipment Input Current ≤ 16A per Phase) 电磁兼容 限值 第1部分：谐波电流发射限值（设备每相输入电流≤16A） |
China National Standards HA |
English PDF |
| GB 28489-2022 |
Limits of HAzardous Substances in Musical Instruments 乐器有害物质限量 |
China National Standards HA |
English PDF |
| GB 24541-2022 |
HAnd Protection Mechanical Hazards Protective Gloves 手部防护 机械危害防护手套 |
China National Standards HA |
English PDF |
| GB 42298-2022 |
HAnd protection General technical specifications 手部防护 通用技术规范 |
China National Standards HA |
English PDF |
| GB 17896-2022 |
Allowable values of energy efficiency and energy efficiency grades for ballasts used in gas discHArge lamps for general lighting 普通照明用气体放电灯用镇流器能效限定值及能效等级 |
China National Standards HA |
English PDF |
| GB 42296-2022 |
Safety technical requirements for cHArgers for electric bicycles 电动自行车用充电器安全技术要求 |
China National Standards HA |
English PDF |
| GB 15603-2022 |
General rules for warehouse storage of HAzardous chemicals 危险化学品仓库储存通则 |
China National Standards HA |
English PDF |
| GB 41930-2022 |
CHAracterization of low-level radioactive waste packages Cement cured body 低水平放射性废物包特性鉴定 水泥固化体 |
China National Standards HA |
English PDF |
| GB/T 40815.5-2022 |
MecHAnical construction of electrical and electronic equipment - Thermal management of imperial and metric series enclosures - Part 5: Evaluation of cooling performance of indoor enclosures 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5部分：户内机柜的冷却性能评估 |
China National Standards HA |
English PDF |
| GB/T 19671-2022 |
Safety of machinery - Two-HAnd controls - Principles for design and selection 机械安全 双手操纵装置 设计和选择原则 |
China National Standards HA |
English PDF |
| GB/T 23821-2022 |
MecHAnical safety Safety distance to prevent upper and lower limbs from touching the danger zone 机械安全 防止上下肢触及危险区的安全距离 |
China National Standards HA |
English PDF |
| GB/T 17285-2022 |
Marking of power supply cHAracteristics of electrical equipment Safety requirements 电气设备电源特性的标记 安全要求 |
China National Standards HA |
English PDF |
| GB/T 12085.22-2022 |
Optics and photonics - Environmental test methods - Part 22: Combined test of low temperature, high temperature or temperature cHAnge with impact or random vibration 光学和光子学 环境试验方法 第22部分: 低温、高温或温度变化与碰撞或随机振动综合试验 |
China National Standards HA |
English PDF |
| GB/T 21205-2022 |
Rotating Electrical Machines Repair, OverHAul and Restoration 旋转电机 修理、检修和修复 |
China National Standards HA |
English PDF |
| GB/T 12085.3-2022 |
Optics and photonics - Environmental test methods - Part 3: MecHAnical forces 光学和光子学 环境试验方法 第3部分：机械作用力 |
China National Standards HA |
English PDF |
| GB/T 19258.1-2022 |
Germicidal ultraviolet radiation sources - part 1: low pressure mercury vapor discHArge lamps 杀菌用紫外辐射源 第1部分:低气压汞蒸气放电灯 |
China National Standards HA |
English PDF |
| GB/T 42026-2022 |
Automation systems and integration Manufacturing supply cHAin key performance indicators 自动化系统与集成 制造供应链关键绩效指标 |
China National Standards HA |
English PDF |
| GB/T 13871.1-2022 |
Rotary sHAft lip seals with elastomeric sealing elements - Part 1: Dimensions and tolerances 密封元件为弹性体材料的旋转轴唇形密封圈 第1部分：尺寸和公差 |
China National Standards HA |
English PDF |
| GB/T 41763-2022 |
Dimensions, sHApes, weights and allowable deviations of twin-roll cast-rolled hot-rolled steel sheets and strips 双辊铸轧热轧薄钢板及钢带的尺寸、外形、重量及允许偏差 |
China National Standards HA |
English PDF |
| GB/T 3883.215-2022 |
Safety of HAnd-held, portable power tools and garden tools - Part 215: Particular requirements for hand-held mixers 手持式、可移式电动工具和园林工具的安全 第215部分：手持式搅拌器的专用要求 |
China National Standards HA |
English PDF |
| GB/T 5169.19-2022 |
Fire HAzard Tests for Electric and Electronic Products-Part 19: Abnormal Thermal Molded Stress Release Deformation Test 电工电子产品着火危险试验 第19部分：非正常热 模压应力释放变形试验 |
China National Standards HA |
English PDF |
| GB/T 5169.47-2022 |
Fire HAzard Tests for Electric and Electronic Products - Part 47: Guidelines for Classification of Electric Power and Energy in Relation to the Probability of Ignition and Fire for Low-Voltage Electrical Products 电工电子产品着火危险试验 第47部分：与低压电工产品起燃和着火概率相关的电功率和能量分级导则 |
China National Standards HA |
English PDF |
| GB/T 18663.5-2022 |
MecHAnical construction of electronic equipment - Tests for metric and imperial series - Part 5: Seismic tests for enclosures, subracks and inserts 电子设备机械结构 公制系列和英制系列的试验 第5部分：机箱、插箱和插件的地震试验 |
China National Standards HA |
English PDF |
| GB/T 18663.4-2022 |
MecHAnical construction of electronic equipment - Tests for metric and imperial series - Part 4: Combinations of performance levels for modular cabinets 电子设备机械结构 公制系列和英制系列的试验 第4部分：模数机柜的性能等级组合 |
China National Standards HA |
English PDF |
| GB/T 26237.1-2022 |
Information technology - Biometric data excHAnge format - Part 1: Framework 信息技术 生物特征识别数据交换格式 第1部分：框架 |
China National Standards HA |
English PDF |
| GB/T 41641-2022 |
Measurement of mecHAnical properties - Tensile test method for REBCO strip at room temperature 力学性能测量 REBCO带材室温拉伸试验方法 |
China National Standards HA |
English PDF |
| GB/Z 42004-2022 |
Consideration of the reference impedance and public power supply network impedance used to determine the disturbance cHAracteristics of electrical equipment (rated current per phase less than or equal to 75A) 确定电气设备（每相额定电流小于或等于75A）骚扰特性用的参考阻抗和公用供电网络阻抗的考虑 |
China National Standards HA |
English PDF |
| GB/T 41829-2022 |
Livestock slaughtering and processing equipment Pig HAir removal equipment 畜禽屠宰加工设备 猪脱毛设备 |
China National Standards HA |
English PDF |
| GB/T 26237.10-2022 |
Information technology - Biometric data excHAnge format - Part 10: Hand contour data 信息技术 生物特征识别数据交换格式 第10部分：手形轮廓数据 |
China National Standards HA |
English PDF |
| GB/T 26237.15-2022 |
Information technology - Biometric data excHAnge format - Part 15: Palmprint image data 信息技术 生物特征识别数据交换格式 第15部分：掌纹图像数据 |
China National Standards HA |
English PDF |
| GB/T 28826.4-2022 |
Information technology - Common biometric intercHAnge format framework - Part 4: Security block format specification 信息技术 公用生物特征识别交换格式框架 第4部分：安全块格式规范 |
China National Standards HA |
English PDF |
| GB/T 29268.5-2022 |
Information technology - Biometric performance testing and reporting - Part 5: Access control scenarios and grading mecHAnisms 信息技术 生物特征识别性能测试和报告 第5部分：访问控制场景与分级机制 |
China National Standards HA |
English PDF |
| GB/T 26237.8-2022 |
Information technology - Biometric data excHAnge format - Part 8: Fingerprint skeleton data 信息技术 生物特征识别数据交换格式 第8部分：指纹骨架数据 |
China National Standards HA |
English PDF |
| GB/T 41830-2022 |
Livestock slaughtering and processing equipment Poultry deHAiring equipment 畜禽屠宰加工设备 家禽脱毛设备 |
China National Standards HA |
English PDF |
| GB/T 21109.1-2022 |
Functional safety of safety instrumented systems in the process industry - Part 1: Framework, definitions, system, HArdware and application programming requirements 过程工业领域安全仪表系统的功能安全 第1部分：框架、定义、系统、硬件和应用编程要求 |
China National Standards HA |
English PDF |
| GB/T 41998-2022 |
MecHAnical electrical safety - Technical requirements for mechanical wireless control systems 机械电气安全 机械无线控制系统技术要求 |
China National Standards HA |
English PDF |
| GB/T 41801.3-2022 |
Information technology - Biometric identification systems on cards - Part 3: Logical information excHAnge mechanism 信息技术 卡上生物特征识别系统 第3部分：逻辑信息交换机制 |
China National Standards HA |
English PDF |
| GB/T 41801.2-2022 |
Information technology - Biometric identification systems on cards - Part 2: Physical cHAracteristics 信息技术 卡上生物特征识别系统 第2部分：物理特性 |
China National Standards HA |
English PDF |
| GB/T 42027-2022 |
Gas pHAse molecular absorption spectrometer 气相分子吸收光谱仪 |
China National Standards HA |
English PDF |
| GB/T 35031.4-2022 |
User end energy management system Part 4: Information excHAnge specification between master station and gateway 用户端能源管理系统 第4部分：主站与网关信息交互规范 |
China National Standards HA |
English PDF |
| GB/T 41995-2022 |
Technical specification for evaluation of operating cHAracteristics of grid-connected microgrid 并网型微电网运行特性评价技术规范 |
China National Standards HA |
English PDF |
| GB/T 41802-2022 |
Information Technology CaptcHA Program Requirements 信息技术 验证码程序要求 |
China National Standards HA |
English PDF |
| GB/T 5169.44-2022 |
Fire HAzard Tests for Electrical and Electronic Products - Part 44: Guidelines for Fire Hazard Assessment Fire Hazard Assessment 电工电子产品着火危险试验 第44部分：着火危险评定导则 着火危险评定 |
China National Standards HA |
English PDF |
| GB/T 5169.31-2022 |
Fire HAzard Tests for Electrical and Electronic Products - Part 31: Surface Spread of Flame - General Rules 电工电子产品着火危险试验 第31部分：火焰表面蔓延 总则 |
China National Standards HA |
English PDF |
| GB/T 42060-2022 |
Medical laboratories - Requirements for sample collection, shipping, receipt and HAndling 医学实验室 样品采集、运送、接收和处理的要求 |
China National Standards HA |
English PDF |
| GB/T 9771.7-2022 |
Single-mode optical fibers for telecommunication - Part 7: CHAracteristics of bend loss insensitive single-mode optical fibers 通信用单模光纤 第7部分：弯曲损耗不敏感单模光纤特性 |
China National Standards HA |
English PDF |
| GB/T 41800-2022 |
Information technology-sensor network-technical requirements for storage safety monitoring system of explosive HAzardous chemicals 信息技术 传感器网络 爆炸危险化学品贮存安全监测系统技术要求 |
China National Standards HA |
English PDF |
| GB/T 41904-2022 |
Information technology - Automated infrastructure management (AIM) systems - Requirements, data excHAnge and applications 信息技术 自动化基础设施管理（AIM）系统 要求、数据交换及应用 |
China National Standards HA |
English PDF |
| GB/T 42064-2022 |
Equipment for general lighting - Flicker cHAracteristics - Optical scintillation meter test method 普通照明用设备 闪烁特性 光闪烁计测试法 |
China National Standards HA |
English PDF |
| GB/T 41791-2022 |
Plastics Films and sheets Non-oriented polyethylene terephtHAlate (PET) sheet 塑料制品 薄膜和薄片 无取向聚对苯二甲酸乙二醇酯（PET）片材 |
China National Standards HA |
English PDF |
| GB/T 42020-2022 |
Specifications for measurement of laboratory power supply cHAracteristics 实验室电源特性的测量规范 |
China National Standards HA |
English PDF |
| GB/T 38664.4-2022 |
Information technology big data government data open sHAring part 4: sharing evaluation 信息技术 大数据 政务数据开放共享 第4部分：共享评价 |
China National Standards HA |
English PDF |
| GB/T 14916-2022 |
Identification Card Physical CHAracteristics 识别卡 物理特性 |
China National Standards HA |
English PDF |
| GB/T 32561.5-2022 |
Infrared Optical CHAlcogenide Glass Test Methods Part 5: Stress Birefringence 红外光学硫系玻璃测试方法 第5部分：应力双折射 |
China National Standards HA |
English PDF |
| GB/T 32561.4-2022 |
Infrared Optical CHAlcogenide Glass Test Method Part 4: Optical Absorption Coefficient 红外光学硫系玻璃测试方法 第4部分：光吸收系数 |
China National Standards HA |
English PDF |
| GB/T 42065-2022 |
Green product evaluation Kitchen and bathroom HArdware products 绿色产品评价 厨卫五金产品 |
China National Standards HA |
English PDF |
| GB/T 42005.2-2022 |
Rail transit - Energy storage trams - Part 2: Ground cHArging systems 轨道交通 储能式电车 第2部分：地面充电系统 |
China National Standards HA |
English PDF |
| GB/T 41787.1-2022 |
Ceiling-mounted interface for indoor LED lighting equipment - Part 1: Specifications for mecHAnical and electrical interfaces 室内LED照明设备天花板安装接口 第1部分:机械接口和电气接口规范 |
China National Standards HA |
English PDF |
| GB/T 9239.23-2022 |
MecHAnical vibration - Rotor balancing - Part 23: Guards and other protective measures for measuring stations of balancing machines 机械振动 转子平衡 第23部分:平衡机测量工位的防护罩和其他保护措施 |
China National Standards HA |
English PDF |
| GB/T 23050-2022 |
Informatization and Industrialization Integration Management System Supply CHAin Digital Management Guide 信息化和工业化融合管理体系 供应链数字化管理指南 |
China National Standards HA |
English PDF |
| GB/T 42001-2022 |
Altitude correction method for external insulation discHArge voltage in high-voltage power transmission and transformation projects 高压输变电工程外绝缘放电电压海拔校正方法 |
China National Standards HA |
English PDF |
| GB/T 40783.2-2022 |
Information technology - Telecommunication and information excHAnge between systems - Magnetic domain network - Part 2: In-band wireless charging control protocol 信息技术 系统间远程通信和信息交换 磁域网 第2部分：带内无线充电控制协议 |
China National Standards HA |
English PDF |
| GB/T 41843-2022 |
ReHAbilitation Portfolio Assessment for Functioning, Disability, and Health Classification 功能、残疾、健康分类的康复组合评定 |
China National Standards HA |
English PDF |
| GB/T 1871.5-2022 |
Determination of magnesium oxide content in phospHAte rocks and concentrates - Flame atomic absorption spectrometry, volumetric and inductively coupled plasma emission spectrometry 磷矿石和磷精矿中氧化镁含量的测定 火焰原子吸收光谱法、容量法和电感耦合等离子体发射光谱法 |
China National Standards HA |
English PDF |
| GB/T 41855-2022 |
Small amusement equipment swivel cHAir 小型游乐设施 转椅 |
China National Standards HA |
English PDF |
| GB/T 18029.2-2022 |
WheelcHAirs - Part 2: Determination of the dynamic stability of electric wheelchairs 轮椅车 第2部分：电动轮椅车动态稳定性的测定 |
China National Standards HA |
English PDF |
| GB/T 18029.25-2022 |
WheelcHAirs - Part 25: Batteries and chargers for electric wheelchairs 轮椅车 第25部分：电动轮椅车的电池和充电器 |
China National Standards HA |
English PDF |
| GB/T 41872-2022 |
Heat excHAngers used in refrigeration systems and heat pumps—Temperature, pressure and velocity three-field synergy performance test and evaluation method 制冷系统及热泵用换热器 温度、压力和速度三场协同的性能测试和评价方法 |
China National Standards HA |
English PDF |
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