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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 30844.2-2024 |
General purpose variable frequency speed control equipment up to 1-kV - Part 2: Test methods 1-kV及以下通用变频调速设备-第2部分：试验方法 |
China National Standards frequency |
 English PDF |
| GB/T 30844.1-2024 |
General purpose variable frequency speed control equipment up to 1-kV - Part 1: Technical conditions 1-kV及以下通用变频调速设备-第1部分：技术条件 |
China National Standards frequency |
English PDF |
| GB/T 30843.2-2024 |
General purpose variable frequency speed control equipment above 1-kV and not exceeding 35-kV - Part 2: Test methods 1-kV以上不超过35-kV的通用变频调速设备-第2部分：试验方法 |
China National Standards frequency |
English PDF |
| GB/T 30843.1-2024 |
General purpose variable frequency speed control equipment above 1-kV and not exceeding 35-kV - Part 1: Technical conditions 1-kV以上不超过35-kV的通用变频调速设备-第1部分：技术条件 |
China National Standards frequency |
English PDF |
| GB/T 4130.2-2024 |
Acoustics - hydrophone calibration - Part 2: calibration method for low-frequency sound pressure field 声学-水听器校准-第2部分：低频声压场校准方法 |
China National Standards frequency |
English PDF |
| GB/T 42968.4-2024 |
Integrated circuits - Measurement of electromagnetic immunity - Part 4: Direct injection of radio frequency power 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 frequency |
English PDF |
| GB/T 44924-2024 |
Semiconductor integrated circuits-Test methods for radio frequency transmitters/receivers 半导体集成电路-射频发射器/接收器测试方法 |
China National Standards frequency |
English PDF |
| GB/T 44878-2024 |
Permafrost observation - frequency domain reflectometry 冻土观测-频域反射法 |
China National Standards frequency |
English PDF |
| GB/T 44845-2024 |
Low-frequency electromagnetic detection methods for pressure-bearing equipment 承压设备低频电磁检测方法 |
China National Standards frequency |
English PDF |
| GB/T 44644.2-2024 |
Road vehicles-50Ω impedance radio frequency connection system interface-Part 2: Test methods 道路车辆-50Ω阻抗射频连接系统接口-第2部分：测试方法 |
China National Standards frequency |
English PDF |
| GB/T 44644.1-2024 |
Road vehicles-50Ω impedance radio frequency connection system interface-Part 1: Dimensions and electrical requirements 道路车辆-50Ω阻抗射频连接系统接口-第1部分：尺寸和电气要求 |
China National Standards frequency |
English PDF |
| GB/T 30144-2024 |
YZP-H series variable frequency speed regulating three-phase asynchronous motors for marine hoisting - Technical specifications (frame size 112~400) YZP-H系列船用起重用变频调速三相异步电动机-技术规范（机座号112～400） |
China National Standards frequency |
English PDF |
| GB/T 31838.8-2024 |
Solid insulating materials - Dielectric and resistive properties - Part 8: Determination of dielectric properties (AC method) - Relative dielectric constant and dielectric loss factor (frequency - 1-MHz~300-MHz) 固体绝缘材料-介电和电阻特性-第8部分：测定介电特性（AC方法）-相对介电常数和介质损耗因数（频率-1-MHz~300-MHz） |
China National Standards frequency |
English PDF |
| GB/T 44326-2024 |
Test methods for consistency of radio frequency identification (RFID) electronic tags for tires 轮胎用射频识别（RFID）电子标签一致性试验方法 |
China National Standards frequency |
English PDF |
| GB/T 41734.5-2024 |
Radio frequency identification of animals-Part 5:-Radio frequency identification reader-writer reads GB/T 20563 and GB/T 22334 Capability test procedure for radio frequency identification tags 动物射频识别-第5部分：-射频识别读写器读取GB/T 20563和GB/T 22334射频识别标签的能力测试程序 |
China National Standards frequency |
English PDF |
| GB/T 44183-2024 |
Technical requirements and measurement methods for performance of mobile terminals supporting Beidou-space radio frequency performance 支持北斗的移动终端性能技术要求及测量方法-空间射频性能 |
China National Standards frequency |
English PDF |
| GB/T 44155-2024 |
Steel forgings-Test frequency, sampling conditions and test methods for mechanical properties tests 钢锻件-力学性能试验的检测频次、取样条件和试验方法 |
China National Standards frequency |
English PDF |
| GB/T 17737.119-2024 |
Coaxial communication cables - Part 1-119: Electrical test methods - Radio frequency power of coaxial cables and cable assemblies 同轴通信电缆-第1-119部分：电气试验方法-同轴电缆及电缆组件的射频功率 |
China National Standards frequency |
English PDF |
| GB/T 17737.9-2024 |
Coaxial communication cables - Part 9: Sectional specification for flexible radio frequency coaxial cables 同轴通信电缆-第9部分：柔软射频同轴电缆分规范 |
China National Standards frequency |
English PDF |
| GB/T 43603.3-2024 |
Chemical analysis methods for nickel-platinum target alloys - Part 3: Determination of carbon content - high-frequency infrared detection method - 镍铂靶材合金化学分析方法-第3部分：碳含量的测定-高频红外检测法- |
China National Standards frequency |
English PDF |
| GB/T 43736-2024 |
Method for testing performance parameters of optical frequency combs in precision optical frequency measurement 精密光频测量中光学频率梳性能参数测试方法 |
China National Standards frequency |
English PDF |
| GB/T 43495-2023 |
Application classification of radio frequency identification (RFID) electronic tags for tires 轮胎用射频识别（RFID）电子标签应用分类 |
China National Standards frequency |
English PDF |
| GB/T 43494-2023 |
Radio frequency identification (RFID) electronic tag encoding for tires 轮胎用射频识别（RFID）电子标签编码 |
China National Standards frequency |
English PDF |
| GB/T 43490-2023 |
Radio frequency identification (RFID) electronic tags for tires 轮胎用射频识别（RFID）电子标签 |
China National Standards frequency |
English PDF |
| GB/T 35290-2023 |
Information Security Technology Radio frequency Identification (RFID) System Security Technical Specifications 信息安全技术 射频识别（RFID）系统安全技术规范 |
China National Standards frequency |
English PDF |
| GB/T 17626.3-2023 |
Electromagnetic compatibility Testing and measurement technology Part 3: Radio frequency electromagnetic field radiation immunity test 电磁兼容 试验和测量技术 第3部分：射频电磁场辐射抗扰度试验 |
China National Standards frequency |
English PDF |
| GB/T 8586-2023 |
Operating frequency allocation of fish finders and technical specifications for preventing acoustic interference 探鱼仪工作频率分配及其防止声波干扰技术规范 |
China National Standards frequency |
English PDF |
| GB/T 40853.2-2023 |
High frequency inductive components Electrical characteristics and measurement methods Part 2: Rated current of inductors for DC-DC converters 高频感性元件 电特性及其测量方法 第2部分：DC-DC变换器用电感器额定电流 |
China National Standards frequency |
English PDF |
| GB/T 43031-2023 |
Test method for frequency response parameters of optical devices used in communications 通信用光器件频响参数测试方法 |
China National Standards frequency |
English PDF |
| GB/T 11313.58-2023 |
Radio frequency Connectors Part 58: Specification for SBMA Series Blind Mate Radio Frequency Coaxial Connectors 射频连接器 第58部分：SBMA系列盲插射频同轴连接器分规范 |
China National Standards frequency |
English PDF |
| GB/T 42833-2023 |
Minimum Performance Specifications for Beidou Satellite-Based Augmentation System Single-frequency Augmentation Service Airborne Equipment 北斗星基增强系统单频增强服务机载设备最低性能规范 |
China National Standards frequency |
English PDF |
| GB/T 42832.1-2023 |
Beidou Satellite-based Augmentation System Space Signal Interface Specification Part 1: Single-frequency Augmentation Service Signal BDSBAS-B1C 北斗星基增强系统空间信号接口规范 第1部分：单频增强服务信号BDSBAS-B1C |
China National Standards frequency |
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 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 frequency |
English PDF |
| GB/T 42848-2023 |
Semiconductor integrated circuits - Test methods for direct digital frequency synthesizers 半导体集成电路 直接数字频率合成器测试方法 |
China National Standards frequency |
English PDF |
| GB/T 42756.2-2023 |
Card and identification security devices - Contactless proximity objects - Part 2: Radio frequency power and signal interfaces 卡及身份识别安全设备 无触点接近式对象 第2部分：射频功率和信号接口 |
China National Standards frequency |
English PDF |
| GB/T 26416.7-2023 |
Chemical analysis methods of rare earth iron alloys - Part 7: Determination of carbon and sulfur content - High frequency-infrared absorption method 稀土铁合金化学分析方法 第7部分：碳、硫量的测定 高频-红外吸收法 |
China National Standards frequency |
English PDF |
| GB/T 42709.7-2023 |
Semiconductor devices Microelectromechanical devices Part 7: MEMS bulk acoustic wave filters and duplexers for radio frequency control and selection 半导体器件 微电子机械器件 第7部分：用于射频控制和选择的MEMS体声波滤波器和双工器 |
China National Standards frequency |
English PDF |
| GB/T 41732.2-2023 |
Radio frequency identification of animals - Enhanced radio frequency identification tags - Part 2: Code and command structure 动物射频识别 增强型射频识别标签 第2部分：代码和指令结构 |
China National Standards frequency |
English PDF |
| GB/T 41734.7-2023 |
Radio frequency identification of animals - Part 7: Synchronization between GB/T 22334 identification systems 动物射频识别 第7部分：GB/T 22334识别系统间的同步 |
China National Standards frequency |
English PDF |
| GB/T 41734.6-2023 |
Radio frequency identification of animals - Part 6: Format of animal identification information (visual display/data transmission) 动物射频识别 第6部分：动物识别信息格式(视觉显示/数据传输) |
China National Standards frequency |
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 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 frequency |
English PDF |
| GB/T 19749.2-2022 |
Coupling capacitors and capacitor dividers—Part 2: DC or AC single-phase coupling capacitor connected between line and ground for power line carrier-frequency (PLC) application 耦合电容器及电容分压器 第2部分：接于线与地之间用于电力线路载波（PLC）的直流或交流单相耦合电容器 |
China National Standards frequency |
English PDF |
| GB/T 22264.4-2022 |
Mounted electrical measuring instruments with digital display - Part 4: Particular requirements for frequency meters 安装式数字显示电测量仪表 第4部分：频率表的特殊要求 |
China National Standards frequency |
English PDF |
| GB/T 12690.1-2022 |
Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides—Part 1: Determination of carbon and sulfur content—High frequency-infrared absorption method 稀土金属及其氧化物中非稀土杂质化学分析方法 第1部分：碳、硫量的测定 高频-红外吸收法 |
China National Standards frequency |
English PDF |
| GB/T 42275-2022 |
Cemented carbide - Determination of total carbon content - High frequency combustion infrared absorption method/thermal conductivity method 硬质合金 总碳量的测定 高频燃烧红外吸收法/热导法 |
China National Standards frequency |
English PDF |
| GB/T 41734.1-2022 |
Radio frequency Identification of Animals Part 1: Consistency Assessment of Radio Frequency Identification Labels with GB/T 20563 and GB/T 22334 (Including the Issuance and Use of Manufacturer Codes) 动物射频识别 第1部分：射频识别标签与GB/T 20563和GB/T 22334的一致性评估（包括制造商代码的发放和使用） |
China National Standards frequency |
English PDF |
| GB/T 32877-2022 |
Specific test methods for determining losses and efficiency of frequency converter-fed a.c. motors 变频器供电交流电动机确定损耗和效率的特定试验方法 |
China National Standards frequency |
English PDF |
| GB/T 30370-2022 |
Guidelines for primary frequency regulation test and performance acceptance of thermal power generating units 火力发电机组一次调频试验及性能验收导则 |
China National Standards frequency |
English PDF |
| GB/T 41911-2022 |
Power frequency overvoltage protective devices (POP) for household and similar purposes 家用和类似用途的工频过电压保护电器（POP） |
China National Standards frequency |
English PDF |
| GB/T 42008-2022 |
General specification for variable frequency power supply for testing 试验用变频电源通用规范 |
China National Standards frequency |
English PDF |
| GB/T 42025-2022 |
Intelligent manufacturing-Radio frequency identification system-UHF RFID system performance test method 智能制造 射频识别系统 超高频RFID系统性能测试方法 |
China National Standards frequency |
English PDF |
| GB/T 6730.61-2022 |
Iron ore - Determination of carbon and sulfur content - High frequency combustion infrared absorption method 铁矿石 碳和硫含量的测定 高频燃烧红外吸收法 |
China National Standards frequency |
English PDF |
| GB/T 41674.1-2022 |
Radio frequency identification of animals - Standardization of injection sites for different animal species - Part 1: Companion animals (cats and dogs) 动物射频识别 不同动物物种用注射部位的标准化 第1部分：伴侣动物（猫和狗） |
China National Standards frequency |
English PDF |
| GB/T 41732.1-2022 |
Radio frequency identification of animals - Enhanced radio frequency identification tags - Part 1: Air interface 动物射频识别 增强型射频识别标签 第1部分：空中接口 |
China National Standards frequency |
English PDF |
| GB/T 41734.3-2022 |
Radio frequency Identification of Animals Part 3: Performance Evaluation of Radio Frequency Identification Tags Conforming to GB/T 20563 and GB/T 22334 动物射频识别 第3部分：符合GB/T 20563和GB/T 22334的射频识别标签性能评估 |
China National Standards frequency |
English PDF |
| GB/T 41734.2-2022 |
Radio frequency Identification of Animals Part 2: Consistency Assessment of Radio Frequency Identification Readers and GB/T 20563 and GB/T 22334 动物射频识别 第2部分：射频识别读写器与GB/T 20563和GB/T 22334的一致性评估 |
China National Standards frequency |
English PDF |
| GB/T 3658-2022 |
Ring test method for magnetic properties of soft magnetic metal materials and powder metallurgy materials in the frequency range of 20Hz to 100kHz 软磁金属材料和粉末冶金材料20Hz～100kHz频率范围磁性能的环形试样测量方法 |
China National Standards frequency |
English PDF |
| GB/T 20485.43-2021 |
Methods for the calibration of vibration and shock transducers—Part 32: Resonance testing—Testing the frequency and the phase response of accelerometers by means of shock excitation 振动与冲击传感器校准方法 第43部分: 基于模型参数辨识的加速度计校准 |
China National Standards frequency |
English PDF |
| GB/T 20485.32-2021 |
Methods for the calibration of vibration and shock transducers—Part 32: Resonance testing—Testing the frequency and the phase response of accelerometers by means of shock excitation 振动与冲击传感器校准方法 第32部分：谐振测试 用冲击激励测试加速度计的频率和相位响应 |
China National Standards frequency |
English PDF |
| GB/T 29716.3-2021 |
Mechanical vibration and shock—Signal processing—Part 3:Methods of time-frequency analysis 机械振动与冲击 信号处理 第3部分：时频分析方法 |
China National Standards frequency |
English PDF |
| GB/T 9966.9-2021 |
Test methods for natural stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency 天然石材试验方法 第9部分：通过测量共振基本频率测定动力弹性模数 |
China National Standards frequency |
English PDF |
| GB/T 11313.41-2021 |
Radio-frequency connectors—Part 41: Sectional specification for CQA series quick lock R.F. coaxial connectors 射频连接器 第41部分: CQA系列快速锁紧射频连接器分规范 |
China National Standards frequency |
English PDF |
| GB/T 11313.40-2021 |
Radio-frequency connectors—Part 40: Sectional specification for 2.4 series R.F. connectors 射频连接器 第40部分: 2.4系列射频连接器分规范 |
China National Standards frequency |
English PDF |
| GB/T 11313.35-2021 |
Radio-frequency connectors—Part 35: Sectional specification for 2.92 series R.F connectors 射频连接器 第35部分: 2.92系列射频连接器分规范 |
China National Standards frequency |
English PDF |
| GB/T 14598.181-2021 |
Measuring relays and protection equipment -- Part 181：Functional requirements for frequency protection 量度继电器和保护装置 第181 部分：频率保护功能要求 |
China National Standards frequency |
English PDF |
| GB/T 11313.42-2021 |
Radio-frequency connectors -- Part 42: Sectional specification for CQN series quick lock RF connectors 射频连接器 第42部分：CQN系列快速锁紧射频连接器分规范 |
China National Standards frequency |
English PDF |
| GB 9706.202-2021 |
Medical electrical equipment—Part 2-2: Particular requirements for the basic safety and essential performance of high frequency surgical equipment and high frequency surgical accessories 医用电气设备 第2-2部分：高频手术设备及高频附件的基本安全和基本性能专用要求 |
China National Standards frequency |
English PDF |
| GB/T 40852.1-2021 |
High frequency inductive components—Non-electrical characteristics and measuring methods—Part 1:Fixed,surface mounted inductors for use in electronic and telecommunication equipment 高频感性元件 非电特性及其测量方法 第1部分：电子和通信设备用表面安装固定电感器 |
China National Standards frequency |
English PDF |
| GB/T 40853.1-2021 |
High frequency inductive components—Electrical characteristics and measuring method—Part 1:Nanohenry range chip inductor 高频感性元件 电特性及其测量方法 第1部分：纳亨级片式电感器 |
China National Standards frequency |
English PDF |
| GB/T 22712-2021 |
Technical specification for G series cooling fans applying to variable frequency motors 变频电机用G系列冷却风机技术规范 |
China National Standards frequency |
English PDF |
| GB/T 21969-2021 |
YGP series variable-frequency adjustable-speed three-phase induction motors for roll table application—Technical specification YGP系列辊道用变频调速三相异步电动机 技术条件 |
China National Standards frequency |
English PDF |
| GB/T 40595-2021 |
Guide for technology and test on primary frequency control of grid-connected power resource 并网电源一次调频技术规定及试验导则 |
China National Standards frequency |
English PDF |
| GB/T 40592-2021 |
Technical rules for automatic over-frequency generator tripping in electric power system 电力系统自动高频切除发电机组技术规定 |
China National Standards frequency |
English PDF |
| GB/T 40596-2021 |
Technical rules for automatic under-frequency load shedding in electric power systems 电力系统自动低频减负荷技术规定 |
China National Standards frequency |
English PDF |
| GB/T 40661-2021 |
Calibration specification of measurement instrument for power frequency magnetic field 工频磁场测量仪校准规范 |
China National Standards frequency |
English PDF |
| GB/T 13697-2021 |
Determination of carbon in uranium oxide powder and pellets—High-frequency inductive furnace combustion-infrared detection method 二氧化铀粉末和芯块中碳的测定 高频感应炉燃烧-红外检测法 |
China National Standards frequency |
English PDF |
| GB/T 38670-2020 |
Intelligent manufacturing—Radio frequency identification system—Tag data format 智能制造 射频识别系统 标签数据格式 |
China National Standards frequency |
English PDF |
| GB/T 38668-2020 |
Intelligent manufacturing－Radio frequency identification system—General technical requirements 智能制造 射频识别系统 通用技术要求 |
China National Standards frequency |
English PDF |
| GB/T 38622-2020 |
Containers—General technology specification of 2.45GHz frequency band cargo shipment tag 集装箱 2.45GHz频段货运标签通用技术规范 |
China National Standards frequency |
English PDF |
| GB/T 33014.7-2020 |
Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 7:Direct radio frequency power injection 道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第7部分：射频功率直接注入法 |
China National Standards frequency |
English PDF |
| GB/T 33014.10-2020 |
Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 10: Immunity to conducted disturbances in the extended audio frequency range 道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第10部分：扩展音频范围的传导抗扰法 |
China National Standards frequency |
English PDF |
| GB/T 38481-2020 |
Determination of ultralow-frequency mutations for microorganisms—Duplex sequencing 微生物超低频突变测定 双重测序法 |
China National Standards frequency |
English PDF |
| GB/T 38333-2019 |
Radio frequency identification (RFID) for lead-acid battery electronic tags technical specification 铅酸蓄电池用射频识别（RFID）电子标签技术规范 |
China National Standards frequency |
English PDF |
| GB/T 38333-2019 |
Radio frequency identification (RFID) for lead-acid battery electronic tags technical specification 铅酸蓄电池用射频识别（RFID）电子标签技术规范 |
China National Standards frequency |
English PDF |
| GB 4824-2019 |
Industrial,scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement 工业、科学和医疗设备 射频骚扰特性 限值和测量方法 |
China National Standards frequency |
English PDF |
| GB/T 37892-2019 |
Digital integrated full frequency conversion controlled constant pressure water supply equipment 数字集成全变频控制恒压供水设备 |
China National Standards frequency |
English PDF |
| GB/T 37619-2019 |
Corrosion of metals and alloys—Potentiostatic test and evaluation method for determination of susceptibility to grooving corrosion of high frequency electric resistance welded steel pipes 金属和合金的腐蚀 高频电阻焊焊管沟槽腐蚀性能恒电位试验与评价方法 |
China National Standards frequency |
English PDF |
| GB/Z 17624.4-2019 |
Electromagnetic compatibility—General—Historical rationale for the limitation of power-frequency conducted harmonic current emissions from equipment, in the frequency range up to 2 kHz 电磁兼容 综述 2kHz内限制设备工频谐波电流传导发射的历史依据 |
China National Standards frequency |
English PDF |
| GB/T 37379-2019 |
Technical specification for 2.45 GHz radio frequency identification system of inland navigation vessels 内河船舶2.45GHz射频识别系统技术规范 |
China National Standards frequency |
English PDF |
| GB/T 37033.3-2018 |
Information security technology—Technical requirements for cryptographic application for radio frequency identification systems—Part 3: Technical requirements for key management 信息安全技术-射频识别系统密码应用技术要求-第3部分：密钥管理技术要求 |
China National Standards frequency |
English PDF |
| GB/T 37033.2-2018 |
Information security technology—Technical requirements for cryptographic application for radio frequency identification systems—Part 2: Technical requirements for cryptographic application for RF tag, reader and communication 信息安全技术-射频识别系统密码应用技术要求-第2部分：电子标签与读写器及其通信密码应用技术要求 |
China National Standards frequency |
English PDF |
| GB/T 37033.1-2018 |
Information security technology—Technical requirements for cryptographic application for radio frequency identification systems—Part 1: Cryptographic protection framework and security levels 信息安全技术-射频识别系统密码应用技术要求-第1部分：密码安全保护框架及安全级别 |
China National Standards frequency |
English PDF |
| GB/T 37026-2018 |
Encoding rules and specifications of radio frequency identification（RFID） labels for clothing commodities 服装商品编码与射频识别(RFID)标签规范 |
China National Standards frequency |
English PDF |
| GB/T 37009-2018 |
Variable-frequency drive for metallurgical industry 冶金用变频调速设备 |
China National Standards frequency |
English PDF |
| GB/T 51315-2018 |
Radio frequency Identification Application Engineering Technology Standard 射频识别应用工程技术标准 |
China National Standards frequency |
English PDF |
| GB/T 36469-2018 |
Information technology—Telecommunications and information exchange between systems local and metropolitan area networks—Specific requirements—Medium access control (MAC) and physical layer (PHY) specification for Q frequency band ultra high speed wi 信息技术 系统间远程通信和信息交换局域网和城域网 特定要求 Q波段超高速无线局域网媒体访问控制和物理层规范 |
China National Standards frequency |
English PDF |
| GB/T 32503.2-2018 |
Household and similar adjustable frequency converter safety—Part 2:Particular requirements for adjustable frequency converters for electrical heat pumps,air-conditioners and dehumidifiers 家用和类似用途变频控制器的安全 第2部分：热泵、空调器和除湿机用变频控制器的特殊要求 |
China National Standards frequency |
English PDF |
| GB/T 21707-2018 |
Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors 变频调速专用三相异步电动机绝缘规范 |
China National Standards frequency |
English PDF |
| GB/T 35061-2018 |
High-frequency sieve for slime recovery 高频煤泥回收筛 |
China National Standards frequency |
English PDF |
| GB/T 11313.38-2018 |
Radio-frequency connectors—Part 38: Sectional specification for 50 Ω model,slide-in radio frequency coaxial connectors (type TMA) for rack and panel applications 射频连接器 第38部分: 50Ω背板和面板用模块滑入式射频连接器(TMA型)分规范 |
China National Standards frequency |
English PDF |
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