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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 39485-2020 |
Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Manual gas valves 燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 手动燃气阀 |
China National Standards devices |
 English PDF |
| GB/T 25318-2019 |
Locking devices for ball and socket couplings of string insulator units—Dimensions and tests 绝缘子串元件球窝联接用锁紧销 尺寸和试验 |
China National Standards devices |
English PDF |
| GB/T 18802.351-2019 |
Components for low-voltage surge protective devices－Part 351:Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT) 低压电涌保护器元件 第351部分：电信和信号网络的电涌隔离变压器（SIT）的性能要求和试验方法 |
China National Standards devices |
English PDF |
| GB/T 18802.22-2019 |
Low-voltage surge protective devices－Part 22:Surge protective devices connected to telecommunications and signalling networks－Selection and application principles 低压电涌保护器 第22部分：电信和信号网络的电涌保护器 选择和使用导则 |
China National Standards devices |
English PDF |
| GB/T 1094.23-2019 |
Power transformers—Part 23: DC magnetic bias suppression devices 电力变压器 第23部分：直流偏磁抑制装置 |
China National Standards devices |
English PDF |
| GB/T 38399.3-2019 |
Textile machinery and accessories—Vocabulary of flat warp knitting machines—Part 3: Patterning devices 纺织机械与附件 平型经编机词汇 第3部分：提花装置 |
China National Standards devices |
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 devices |
English PDF |
| GB/T 38363.2-2019 |
Tools for pressing—Guide devices—Part 2: Forms of guide bush 冲模 导向装置 第2部分：导套结构型式 |
China National Standards devices |
English PDF |
| GB/T 38363.1-2019 |
Tools for pressing—Guide devices—Part 1: Types of guide pillar 冲模 导向装置 第1部分：导柱结构型式 |
China National Standards devices |
English PDF |
| GB/T 25430-2019 |
Petroleum drilling and production equipment—Rotating control devices
石油天然气钻采设备 旋转防喷器 |
China National Standards devices |
English PDF |
| GB/T 25318-2019 |
Locking devices for ball and socket couplings of string insulator units—Dimensions and tests 绝缘子串元件球窝联接用锁紧销 尺寸和试验 |
China National Standards devices |
English PDF |
| GB/T 18802.351-2019 |
Components for low-voltage surge protective devices－Part 351:Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT) 低压电涌保护器元件 第351部分：电信和信号网络的电涌隔离变压器（SIT）的性能要求和试验方法 |
China National Standards devices |
English PDF |
| GB/T 18802.22-2019 |
Low-voltage surge protective devices－Part 22:Surge protective devices connected to telecommunications and signalling networks－Selection and application principles 低压电涌保护器 第22部分：电信和信号网络的电涌保护器 选择和使用导则 |
China National Standards devices |
English PDF |
| GB/T 1094.23-2019 |
Power transformers—Part 23: DC magnetic bias suppression devices 电力变压器 第23部分：直流偏磁抑制装置 |
China National Standards devices |
English PDF |
| GB 4785-2019 |
Prescription for installation of the external lighting and light-signalling devices for motor vehicles and their trailers 汽车及挂车外部照明和光信号装置的安装规定 |
China National Standards devices |
English PDF |
| GB 27887-2011 |
Restraining devices for child occupants of power-driven vehicles 机动车儿童乘员用约束系统《第1号修改单》 |
China National Standards devices |
English PDF |
| GB/T 38001.61-2019 |
Flexible display devices—Part 6-1: Mechanical stress test methods 柔性显示器件 第6-1部分：机械应力试验方法 |
China National Standards devices |
English PDF |
| GB/T 37992-2019 |
Safety and control devices for gas burners and gas-burning-appliances—Particular requirements—Vavle-proving systems for automatic shut-off valves 燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 自动截止阀的阀门检验系统 |
China National Standards devices |
English PDF |
| GB/T 37947.1-2019 |
Information technology—Energy consumption monitoring system of energy user—Part 1:Data transmission interface for monitoring devices 信息技术 用能单位能耗在线监测系统 第1部分：端设备数据传输接口 |
China National Standards devices |
English PDF |
| GB/T 37816-2019 |
Selection and installation of pressure relief devices on pressure equipment 承压设备安全泄放装置选用与安装 |
China National Standards devices |
English PDF |
| GB/T 37742-2019 |
Information technology－Biometric－General specification for fingerprint recognition devices GB/T 37742-2019 |
China National Standards devices |
English PDF |
| GB/T 18910.62-2019 |
Liquid crystal display devices—Part 6-2: Measuring methods for liquid crystal display modules—Reflective type 液晶显示器件 第6-2部分：液晶显示模块测试方法 反射型 |
China National Standards devices |
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 devices |
English PDF |
| GB/T 37502-2019 |
Copper nickel alloy rods for vacuum electron devices structure material 电真空器件结构材料用铜镍合金棒 |
China National Standards devices |
English PDF |
| GB/T 37499-2019 |
Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Automatic and semi-automatic valves 燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 自动和半自动阀 |
China National Standards devices |
English PDF |
| GB/T 37751.2-2019 |
Residual current operated circuit-breakers for household and similar use—Part 2: Residual current devices (RCDs)—Vocabulary 家用和类似用途的剩余电流动作断路器 第2部分：剩余电流电器（RCD） 词汇 |
China National Standards devices |
English PDF |
| GB/T 37751.1-2019 |
Residual current operated circuit-breakers for household and similar use—Part 1: Outline of blocks and modules for residual current devices standard 家用和类似用途的剩余电流动作断路器 第1部分：剩余电流电器标准的独立模块和单元模块概述 |
China National Standards devices |
English PDF |
| GB/T 37660-2019 |
Technical specification of power electronic devices for high-voltage direct current (HVDC) transmission using voltage sourced converters (VSC) 柔性直流输电用电力电子器件技术规范 |
China National Standards devices |
English PDF |
| GB/T 16886.3-2019 |
Biological evaluation of medical devices—Part 3: Tests for genotoxicity, carcinogenicity and reproductive toxicity 医疗器械生物学评价 第3部分：遗传毒性、致癌性和生殖毒性试验 |
China National Standards devices |
English PDF |
| GB/T 14048.14-2019 |
Low-voltage switchgear and controlgear—Part 5-5: Control circuit devices and switching elements—Electrical emergency stop device with mechanical latching function 低压开关设备和控制设备 第5-5部分：控制电路电器和开关元件 具有机械锁闩功能的电气紧急制动装置 |
China National Standards devices |
English PDF |
| GB/T 11805-2019 |
General specifications of automatic control components (devices) and their related system for hydroturbine-generating sets 水轮发电机组自动化元件（装置）及其系统基本技术条件 |
China National Standards devices |
English PDF |
| GB/T 16977-2019 |
Robots and robotic devices—Coordinate systems and motion nomenclatures 机器人与机器人装备 坐标系和运动命名原则 |
China National Standards devices |
English PDF |
| GB/T 37320-2019 |
Ships and marine technology—Marine magnetic compasses, binnacles and azimuth reading devices 船舶和海上技术 船用磁罗经、罗经柜和方位读数仪 |
China National Standards devices |
English PDF |
| GB/T 37157-2018 |
Safety of machinery—Evaluation of fault masking serial connection of interlocking devices with potential free contacts 机械安全-串联的无电势触点联锁装置故障掩蔽的评价 |
China National Standards devices |
English PDF |
| GB/T 11498-2018 |
Semiconductor devices—Integrated circuits—Part 21：Sectional specification for film integrated circuits and hybrid film integrated circuits on the basis of the qualification approval procedures 半导体器件-集成电路-第21部分：膜集成电路和混合膜集成电路分规范(采用鉴定批准程序)半导体器件-集成电路-第21部分：膜集成电路和混合膜集成电路分规范(采用鉴定批准程序) |
China National Standards devices |
English PDF |
| GB/T 13062-2018 |
Semiconductor devices—Integrated circuits—Part 21-1:Blank detail specification for film integrated circuits and hybrid film integrated circuits on the basis of the qualification approval procedures 半导体器件-集成电路-第21-1部分：膜集成电路和混合膜集成电路空白详细规范(采用鉴定批准程序) |
China National Standards devices |
English PDF |
| GB/T 37036.1-2018 |
Information technology—Biometrics used with mobile devices—Part1: General requirement 信息技术-移动设备生物特征识别-第1部分：通用要求 |
China National Standards devices |
English PDF |
| GB/T 37200-2018 |
Test methods for detecting leaks in reverse osmosis and nanofiltration devices 反渗透和纳滤装置渗漏检测方法 |
China National Standards devices |
English PDF |
| GB/T 19974-2018 |
Sterilization of health care products—General requirement for characterization of a sterilization agent and the development,validation and routine control of a sterilization process for medical devices 医疗保健产品灭菌 灭菌因子的特性及医疗器械灭菌过程的开发、确认和常规控制的通用要求 |
China National Standards devices |
English PDF |
| GB/T 36229-2018 |
Reliability assessment method and index of active opto-electronic protective devices 光电保护装置可靠性考核方法和指标 |
China National Standards devices |
English PDF |
| GB/Z 21099.6-2018 |
Function blocks(FB) for process control and electronic device description language(EDDL)—Part 6: Meeting the requirements for integrating fieldbus devices in engineering tools for field devices 过程控制用功能块（FB）和电子设备描述语言（EDDL） 第6部分：满足现场设备工程工具对集成现场总线设备的需求 |
China National Standards devices |
English PDF |
| GB/Z 36281-2018 |
Residual current devices (RCDs) associated with additional function(s) 与附加功能组合的剩余电流保护电器 |
China National Standards devices |
English PDF |
| GB/T 36470-2018 |
Information security technology—Common security functional requirements for data acquisition and control field devices of industrial control systems 信息安全技术 工业控制系统现场测控设备通用安全功能要求 |
China National Standards devices |
English PDF |
| GB/T 35034-2018 |
Technical specification for safety monitoring devices of screw expander (unit) 螺杆膨胀机（组）安全监视装置技术规范 |
China National Standards devices |
English PDF |
| GB/T 36538-2018 |
Remanufactured/Reconditioned electrostatic copying(including multi-function) devices 再制造/再生静电复印（包括多功能）设备 |
China National Standards devices |
English PDF |
| GB/T 36546-2018 |
Intrusion and hold-up systems—Technical requirements for warning devices 入侵和紧急报警系统 告警装置技术要求 |
China National Standards devices |
English PDF |
| GB/T 36530-2018 |
Robots and robotic devices—Safety requirements for personal care robots 机器人与机器人装备 个人助理机器人的安全要求 |
China National Standards devices |
English PDF |
| GB/T 3367.5-2018 |
Glossary of terms for diesel locomotive—Part 5: Auxiliary devices 内燃机车词汇 第5部分：辅助装置 |
China National Standards devices |
English PDF |
| GB/T 6113.102-2018 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-2:Radio disturbance and immunity measuring apparatus—Coupling devices for conducted disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范 第1-2部分：无线电骚扰和抗扰度测量设备 传导骚扰测量的耦合装置 |
China National Standards devices |
English PDF |
| GB/T 4728.3-2018 |
Graphical symbols for electrical diagrams—Part 3：Conductors and connecting devices 电气简图用图形符号 第3部分: 导体和连接件 |
China National Standards devices |
English PDF |
| GB/T 36360-2018 |
Semiconductor optoelectronic devices--Blank detail specification for middle power light-emitting diodes 半导体光电子器件 中功率发光二极管空白详细规范 |
China National Standards devices |
English PDF |
| GB/T 36358-2018 |
Semiconductor optoelectronic devices—Blank detail specification for power light-emitting diodes 半导体光电子器件 功率发光二极管空白详细规范 |
China National Standards devices |
English PDF |
| GB/T 36359-2018 |
Semiconductor optoelectronic devices—Blank detail specification for lower power light-emitting diodes 半导体光电子器件 小功率发光二极管空白详细规范 |
China National Standards devices |
English PDF |
| GB/T 36677-2018 |
Determination of fine particle emission rates from copying (including multi-function) devices 复印（包括多功能）设备细颗粒物排放量的测定方法 |
China National Standards devices |
English PDF |
| GB/T 21202-2018 |
Digital multi-function monochrome electrostatic copying(printing) devices 数字式多功能黑白静电复印（打印）设备 |
China National Standards devices |
English PDF |
| GB/T 36702.1-2018 |
Irrigation equipment—Safety devices for chemigation—Part 1: Small plastics valves for chemigation 灌溉设备 化学灌溉用安全装置 第1部分：化学灌溉用小型塑料阀 |
China National Standards devices |
English PDF |
| GB/T 15879.5-2018 |
Mechanical standardization of semiconductor devices—Part 5: Recommendations applying to tape automated bonding(TAB) of integrated circuits 半导体器件的机械标准化 第5部分：用于集成电路载带自动焊(TAB)的推荐值 |
China National Standards devices |
English PDF |
| GB/T 4937.22-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 22: Bond strength 半导体器件 机械和气候试验方法 第22部分：键合强度 |
China National Standards devices |
English PDF |
| GB/T 4937.21-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 21: Solderability 半导体器件 机械和气候试验方法 第21部分：可焊性 |
China National Standards devices |
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 devices |
English PDF |
| GB/T 4937.201-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 20-1: Handling, packing, labelling and shipping of surface-mount devices sensitive to the combined effect of moisture and soldering heat 半导体器件 机械和气候试验方法 第20-1部分：对潮湿和焊接热综合影响敏感的表面安装器件的操作、包装、标志和运输 |
China National Standards devices |
English PDF |
| GB/T 4937.13-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 13: Salt atmosphere 半导体器件 机械和气候试验方法 第13部分：盐雾 |
China National Standards devices |
English PDF |
| GB/T 4937.20-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 20: Resistance of plastic encapsulated SMDs to the combined effect of moisture and soldering heat 半导体器件 机械和气候试验方法 第20部分：塑封表面安装器件耐潮湿和焊接热综合影响 |
China National Standards devices |
English PDF |
| GB/T 4937.15-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 15: Resistance to soldering temperature for through-hole mounted devices 半导体器件 机械和气候试验方法 第15部分：通孔安装器件的耐焊接热 |
China National Standards devices |
English PDF |
| GB/T 36614-2018 |
Integrated circuits—Memory devices pin configuration 集成电路 存储器引出端排列 |
China National Standards devices |
English PDF |
| GB/T 36588-2018 |
Safety devices for protection against excessive pressure—Common data 过压保护安全装置 通用数据 |
China National Standards devices |
English PDF |
| GB/T 4937.12-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 12: Vibration, variable frequency 半导体器件 机械和气候试验方法 第12部分：扫频振动 |
China National Standards devices |
English PDF |
| GB/T 4937.18-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 18: Ionizing radiation (total dose) 半导体器件 机械和气候试验方法 第18部分：电离辐照(总剂量) |
China National Standards devices |
English PDF |
| GB/T 4937.19-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 19: Die shear strength 半导体器件 机械和气候试验方法 第19部分：芯片剪切强度 |
China National Standards devices |
English PDF |
| GB/T 4937.30-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 30: Preconditioning of non-hermetic surface mount devices prior to reliability testing 半导体器件 机械和气候试验方法 第30部分：非密封表面安装器件在可靠性试验前的预处理 |
China National Standards devices |
English PDF |
| GB/T 4937.17-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 17: Neutron irradiation 半导体器件 机械和气候试验方法 第17部分：中子辐照 |
China National Standards devices |
English PDF |
| GB/T 4937.11-2018 |
Semiconductor devices—Mechanical and climatic test methods—Part 11: Rapid change of temperature—Two-fluid-bath method 半导体器件 机械和气候试验方法 第11部分：快速温度变化 双液槽法 |
China National Standards devices |
English PDF |
| GB/T 36008-2018 |
Robots and robotic devices—Collaborative robots 机器人与机器人装备 协作机器人 |
China National Standards devices |
English PDF |
| GB/T 19973.2-2018 |
Sterilization of medical devices—Microbiological methods—Part 2: Tests of sterility performed in the definition，validation and maintenance of a sterilization process 医疗器械的灭菌 微生物学方法 第2部分：用于灭菌过程的定义、确认和维护的无菌试验 |
China National Standards devices |
English PDF |
| GB/T 21231.1-2018 |
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 1: Airborne noise measurement 声学 小型通风装置辐射的空气噪声和引起的结构振动的测量 第1部分：空气噪声测量 |
China National Standards devices |
English PDF |
| GB/T 21231.2-2018 |
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 2: Structure-borne vibration measurements 声学 小型通风装置辐射的空气噪声和引起的结构振动的测量 第2部分：结构振动测量 |
China National Standards devices |
English PDF |
| GB/T 36014.1-2018 |
Industrial process control devices—Radiation thermometers—Part 1: Technical data for radiation thermometers 工业过程控制装置 辐射温度计 第1部分：辐射温度计技术参数 |
China National Standards devices |
English PDF |
| GB/T 30104.103-2017 |
Digital addressable lighting interface—Part 103: General requirements—Control devices 数字可寻址照明接口 第103部分：一般要求 控制设备 |
China National Standards devices |
English PDF |
| GB/T 6829-2017 |
General requirements for residual current operated protective devices 剩余电流动作保护电器（RCD）的一般要求 |
China National Standards devices |
English PDF |
| GB/T 14048.5-2017 |
Low-voltage switchgear and controlgear—Part 5-1: Control circuit devices and switching element—Electromechanical control circuit devices 低压开关设备和控制设备 第5-1部分：控制电路电器和开关元件 机电式控制电路电器 |
China National Standards devices |
English PDF |
| GB/T 18802.311-2017 |
Components for low-voltage surge protective devices—Part 311: Performance requirements and test circuits for gas discharge tubes(GDT) 低压电涌保护器元件 第311部分：气体放电管( GDT )的性能要求和测试回路 |
China National Standards devices |
English PDF |
| GB/T 16918-2017 |
Bursting disc safety devices for gas cylinders 气瓶用爆破片安全装置 |
China National Standards devices |
English PDF |
| GB/T 34544-2017 |
Safety test methods for onboard low pressure hydrogen storage devices for small fuel cell vehicles 小型燃料电池车用低压储氢装置安全试验方法 |
China National Standards devices |
English PDF |
| GB/T 34583-2017 |
Safety technical requirements for hydrogen storage devices used in hydrogen fuelling station 加氢站用储氢装置安全技术要求 |
China National Standards devices |
English PDF |
| GB/T 34622-2017 |
Protective devices against unauthorized use for all-terrain vehicles 全地形车防盗装置 |
China National Standards devices |
English PDF |
| GB/T 34428.3-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 3：LED changeable message sign 高速公路监控设施通信规程 第3部分：LED可变信息标志 |
China National Standards devices |
English PDF |
| GB/T 34428.1-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 1: Universal rules 高速公路监控设施通信规程 第1部分：通用规程 |
China National Standards devices |
English PDF |
| GB/T 14048.13-2017 |
Low-voltage switchgear and controlgear—Part 5-3: Control circuit devices and switching elements—Requirements for proximity devices with defined behaviour under fault conditions (PDDB) 低压开关设备和控制设备 第5-3部分：控制电路电器和开关元件 在故障条件下具有确定功能的接近开关（PDDB）的要求 |
China National Standards devices |
English PDF |
| GB/T 34428.4-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 4：Weather detector 高速公路监控设施通信规程 第4部分: 气象检测器 |
China National Standards devices |
English PDF |
| GB/T 34428.5-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 5：Tunnel environment detector 高速公路监控设施通信规程 第5部分: 隧道环境检测器 |
China National Standards devices |
English PDF |
| GB/T 34428.2-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 2：Vehicle detector 高速公路监控设施通信规程 第2部分: 车辆检测器 |
China National Standards devices |
English PDF |
| GB/T 34428.6-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 6：Wall map 高速公路监控设施通信规程 第6部分: 地图板 |
China National Standards devices |
English PDF |
| GB/T 20306-2017 |
Amusement devices terminology 游乐设施术语 |
China National Standards devices |
English PDF |
| GB/T 17466.24-2017 |
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations—Part 24: Particular requirements for enclosures for housing protective devices and other power dissipating electrical equipment 家用和类似用途固定式电气装置的电器附件安装盒和外壳 第24部分：住宅保护装置和其他电源功耗电器的外壳的特殊要求 |
China National Standards devices |
English PDF |
| GB/T 7343-2017 |
Methods of measurement of the suppression characteristics of passive EMC filtering devices 无源EMC滤波器件抑制特性的测量方法 |
China National Standards devices |
English PDF |
| GB/T 18271.3-2017 |
Process measurement and control devices—General methods and procedures for evaluating performance—Part 3: Tests for the effects of influence quantities 过程测量和控制装置 通用性能评定方法和程序 第3部分：影响量影响的试验 |
China National Standards devices |
English PDF |
| GB/T 18271.1-2017 |
Process measurement and control devices—General methods and procedures for evaluating performance—Part 1: General considerations 过程测量和控制装置 通用性能评定方法和程序 第1部分：总则 |
China National Standards devices |
English PDF |
| GB/T 18271.4-2017 |
Process measurement and control devices—General methods and procedures for evaluating performance—Part 4:Evaluation report content 过程测量和控制装置 通用性能评定方法和程序 第4部分：评定报告的内容 |
China National Standards devices |
English PDF |
| GB/T 18271.2-2017 |
Process measurement and control devices—General methods and procedures for evaluating performance—Part 2:Tests under reference conditions 过程测量和控制装置 通用性能评定方法和程序 第2部分：参比条件下的试验 |
China National Standards devices |
English PDF |
| GB/Z 33902-2017 |
Measurement of fluid flow by means of pressure differential devices—Guidelines on the effect of departure from the specifications and operating conditions given in GB/T 2624 and the correction methods 使用差压装置测量流体流量 偏离GB/T2624给出的要求和工作条件的影响及其修正方法 |
China National Standards devices |
English PDF |
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