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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 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 radio |
 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 radio |
English PDF |
| GB/T 6113.201-2018 |
Specification for radio disturbance and immunity measuring apparatus and methods－Part 2-1：Methods of measurement of disturbances and immunity－Conducted disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范-第2-1部分：无线电骚扰和抗扰度测量方法-传导骚扰测量 |
China National Standards radio |
English PDF |
| GB/T 6113.105-2018 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-5:Radio disturbance and immunity measuring apparatus—Antenna calibration sites and reference test sites for 5 MHz to 18 GHz 无线电骚扰和抗扰度测量设备和测量方法规范-第1-5部分：无线电骚扰和抗扰度测量设备-5MHz～18GHz天线校准场地和参考试验场地 |
China National Standards radio |
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 radio |
English PDF |
| GB 50143-2018 |
Interval power line, substation (station) for TV differential turntable, relay station radio interference protection spacing standard 架空电力线路、变电站（所）对电视差转台、转播台无线电干扰防护间距标准 |
China National Standards radio |
English PDF |
| GB 12711-2018 |
Standard of safety for low and intermediate level solid radioactive waste packages 低、中水平放射性固体废物包安全标准 |
China National Standards radio |
English PDF |
| GB 36900.1-2018 |
Ductile Cast Iron High Integrity Container for Low-and-Intermediate Level radioactive Solid Wastes 低、中水平放射性废物高完整性容器-球墨铸铁容器 |
China National Standards radio |
English PDF |
| GB 36900.3-2018 |
Cross Linked High Density Polyethene High Integrity Container for Low-and-intermediate level radioactive solid wastes 低、中水平放射性废物高完整性容器-交联高密度聚乙烯容器 |
China National Standards radio |
English PDF |
| GB 36900.2-2018 |
Concrete High Integrity Container for Low-and-Intermediate Level—radioactive Solid Wastes 低、中水平放射性废物高完整性容器-混凝土容器 |
China National Standards radio |
English PDF |
| GB 9132-2018 |
Safety regulations for near-surface disposal of low- and medium-level radioactive solid wastes 低、中水平放射性固体废物近地表处置安全规定 |
China National Standards radio |
English PDF |
| GB/T 36275-2018 |
Limit and measurement methods of electromagnetic compatibility for private digital mobile radio equipment 专用数字对讲设备电磁兼容限值和测量方法 |
China National Standards radio |
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 radio |
English PDF |
| GB/T 11346-2018 |
radiograpial testing for aluminum alloy castings—Defect levels 铝合金铸件射线照相检测 缺陷分级 |
China National Standards radio |
English PDF |
| GB/T 6113.202-2018 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 2-2: Methods of measurement of disturbances and immunity—Measurement of disturbance power 无线电骚扰和抗扰度测量设备和测量方法规范 第2-2 部分：无线电骚扰和抗扰度测量方法 骚扰功率测量 |
China National Standards radio |
English PDF |
| GB/T 18655-2018 |
Vehicles, boats and internal combustion engines—radio disturbance characteristics—Limits and methods of measurement for the protection of on-board receivers 车辆、船和内燃机 无线电骚扰特性 用于保护车载接收机的限值和测量方法 |
China National Standards radio |
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 radio |
English PDF |
| GB/T 36365-2018 |
Information technology—radio frequency identification—General specifications for passive tag at 800/900MHz 信息技术 射频识别 800/900MHz无源标签通用规范 |
China National Standards radio |
English PDF |
| GB/T 36364-2018 |
Information technology—radio frequency identification—General specifications for tag at 2.45GHz 信息技术 射频识别 2.45GHz标签通用规范 |
China National Standards radio |
English PDF |
| GB/T 36435-2018 |
Information technology—radio frequency identification—General specifications for reader at 2.45GHz 信息技术 射频识别 2.45GHz读写器通用规范 |
China National Standards radio |
English PDF |
| GB/Z 36442.1-2018 |
Information technology—radio frequency identification for item management—Implementation guidelines—Part 1:Passive UHF RFID labels 信息技术 用于物品管理的射频识别 实现指南 第1部分：无源超高频RFID标签 |
China National Standards radio |
English PDF |
| GB/Z 36442.3-2018 |
Information technology—radio frequency identification for item management—Implementation guidelines—Part 3: Implementation and operation of UHF RFID interrogators system in logistics applications 信息技术 用于物品管理的射频识别 实现指南 第3部分：超高频RFID读写器系统在物流应用中的实现和操作 |
China National Standards radio |
English PDF |
| GB/T 11313.202-2018 |
radio-frequency connectors—Part 202: Electrical test methods—Insertion loss 射频连接器 第202部分：电气试验方法 插入损耗 |
China National Standards radio |
English PDF |
| GB/T 11313.11-2018 |
radio-frequency connectors—Part 11：Sectional specification for RF coaxial connectors with inner diameter of outer conductor 9.5mm (0.374in) with screw coupling with characteristic impedance 50Ω (type 4.1/9.5) 射频连接器 第11部分：外导体内径为9.5mm(0.374in)、特性阻抗为50Ω、螺纹连接的射频同轴连接器(4.1/9.5型)分规范 |
China National Standards radio |
English PDF |
| GB/T 11313.13-2018 |
radio-frequency connectors—Part 13:Sectional specification for type 1.6/5.6 and 1.8/5.6 RF coaxial connectors 射频连接器 第13部分：1.6/5.6和1.8/5.6型射频同轴连接器分规范 |
China National Standards radio |
English PDF |
| GB/T 11313.201-2018 |
radio-frequency connectors—Part 201:Electrical test methods—Reflection coefficient and voltage standing wave ratio 射频连接器 第201部分：电气试验方法 反射系数和电压驻波比 |
China National Standards radio |
English PDF |
| GB/T 11313.43-2018 |
radio-frequency connectors—Part 43:Sectional specification for RBMA series blind mating RF coaxial connectors 射频连接器 第43部分：RBMA系列盲配射频同轴连接器分规范 |
China National Standards radio |
English PDF |
| GB/T 36654-2018 |
RF technical requirements and test methods for 76GHz vehicle radio equipment 76GHz车辆无线电设备射频指标技术要求及测试方法 |
China National Standards radio |
English PDF |
| GB/T 5677-2018 |
Castings—radiographic testing 铸件 射线照相检测 |
China National Standards radio |
English PDF |
| GB/T 16140-2018 |
Determination of radionuclides in water by gamma spectrometry 水中放射性核素的γ能谱分析方法 |
China National Standards radio |
English PDF |
| GB/Z 6113.401-2018 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 4-1:Uncertainties,statistics and limit modelling—Uncertainties in standardized EMC tests 无线电骚扰和抗扰度测量设备和测量方法规范 第4-1部分：不确定度、统计学和限值建模 标准化EMC试验的不确定度 |
China National Standards radio |
English PDF |
| GB/T 6113.402-2018 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 4-2:Uncertainties, statistics and limit modelling—Measurement instrumentation uncertainty 无线电骚扰和抗扰度测量设备和测量方法规范 第4-2部分: 不确定度、统计学和限值建模 测量设备和设施的不确定度 |
China National Standards radio |
English PDF |
| GB/T 11313.15-2018 |
radio frequency connectors—Part 15: R.F.coaxial connectors with inner diameter of outer conductor 4.13mm(0.163in), characteristic impedance 50 ohms, screw coupling (Type SMA) 射频连接器 第15部分:外导体内径为4.13mm(0.163in)、特性阻抗为50Ω、螺纹连接的射频同轴连接器(SMA型) |
China National Standards radio |
English PDF |
| GB/T 11313.39-2018 |
radio frequency connectors—Part 39: Sectional specification for CQM series quick lock RF connectors 射频连接器 第39部分:CQM系列快速锁紧射频连接器分规范 |
China National Standards radio |
English PDF |
| GB/T 34509.2-2017 |
In-orbit field radiometric calibration for optical remote sensor of land observation satellite—Part 2：Thermal infrared 陆地观测卫星光学遥感器在轨场地辐射定标方法 第2部分：热红外 |
China National Standards radio |
English PDF |
| GB/T 34996-2017 |
Specification of the 800/900MHz radio frequency identification reader/writer equipment 800/900MHz射频识别读/写设备规范 |
China National Standards radio |
English PDF |
| GB/T 35102-2017 |
Information technology—radio frequency identification—Conformance test methods for air interface at 800/900MHz 信息技术 射频识别 800/900MHz空中接口符合性测试方法 |
China National Standards radio |
English PDF |
| GB/T 34509.1-2017 |
In-orbit field radiometric calibration for optical remote sensor of land observation satellite—Part 1：Visible-near infrared 陆地观测卫星光学遥感器在轨场地辐射定标方法 第1部分：可见光近红外 |
China National Standards radio |
English PDF |
| GB/T 34048-2017 |
Ultraviolet radiometer 紫外辐射表 |
China National Standards radio |
English PDF |
| GB/T 34500.3-2017 |
Chemical analysis methods for rare earth waste residue and waste water—Part 3: Determination of weak radioactivity（total activity of αandβ） 稀土废渣、废水化学分析方法 第3部分：弱放射性（α和β总活度）的测定 |
China National Standards radio |
English PDF |
| GB/T 34370.6-2017 |
Nondestructive testing of amusement equipments—Part 6：radiographic testing 游乐设施无损检测 第6部分：射线检测 |
China National Standards radio |
English PDF |
| GB/T 34641-2017 |
Non-destructive testing—Test method for determining image quality in direct thermal neutron radiographic examination 无损检测 直接热中子照相检测的像质测定方法 |
China National Standards radio |
English PDF |
| GB/T 33848.3-2017 |
Information technology—radio frequency identification—Part 3: Parameters for air interface communications at 13.56 MHz 信息技术 射频识别 第3部分：13.56MHz的空中接口通信参数 |
China National Standards radio |
English PDF |
| GB/T 34095-2017 |
Information security technology—Technology requirements for electronic payment of mobile terminal security based on short-range radio communication technology 信息安全技术 用于电子支付的基于近距离无线通信的移动终端安全技术要求 |
China National Standards radio |
English PDF |
| GB/T 34089-2017 |
Test parameters and test methods for VHF/UHF frequency band radio monitoring and direction finding system in OATS VHF/UHF无线电监测测向系统开场测试参数和测试方法 |
China National Standards radio |
English PDF |
| GB/T 34084-2017 |
Technical requirement of database structure for VHF band radio monitoring net 超短波频段无线电监测网数据库结构技术要求 |
China National Standards radio |
English PDF |
| GB/T 34082-2017 |
radio monitoring network transfer protocol 无线电监测网传输协议 |
China National Standards radio |
English PDF |
| GB/T 34140-2017 |
Radiation protection instrumentation—Highly sensitive hand-held instruments for neutron detection of radioactive material 辐射防护仪器 用于放射性物质中子探测的高灵敏手持式仪器 |
China National Standards radio |
English PDF |
| GB/T 34142-2017 |
Radiation protection instrumentation—Highly sensitive hand-held instruments for photon detection of radioactive material 辐射防护仪器 用于放射性物质光子探测的高灵敏手持式仪器 |
China National Standards radio |
English PDF |
| GB/T 33865-2017 |
Calibration method for photosynthetic active radiometer 光合有效辐射表校准方法 |
China National Standards radio |
English PDF |
| GB/T 33867-2017 |
Measurement for photosynthetic active radiation—Hemispherical radiometer method 光合有效辐射测量 半球向辐射表法 |
China National Standards radio |
English PDF |
| GB/T 33868-2017 |
Calibration method for ultraviolet radiometer 紫外辐射表校准方法 |
China National Standards radio |
English PDF |
| GB/T 33866-2017 |
Measurement for solar ultraviolet radiation—Broadband ultraviolet radiometer method 太阳紫外辐射测量 宽带紫外辐射表法 |
China National Standards radio |
English PDF |
| GB/T 6113.201-2017 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 2-1: Methods of measurement of disturbances and immunity—Conducted disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范 第2-1 部分：无线电骚扰和抗扰度测量方法 传导骚扰测量 |
China National Standards radio |
English PDF |
| GB/T 16611-2017 |
General specification for radio data transmission transceiver 无线数据传输收发信机通用规范 |
China National Standards radio |
English PDF |
| GB/T 33848.1-2017 |
Information technology—radio frequency identification—Part 1: Reference architecture and definition of parameters to be standardized 信息技术 射频识别 第1部分：参考结构和标准化参数定义 |
China National Standards radio |
English PDF |
| GB/T 33742-2017 |
Technical requirements for radio frequency interface of contactless reader based on 13.56MHz and 2.45GHz dual-frequency technology 基于13.56MHz和2.45GHz双频技术的非接触式读写器射频接口技术要求 |
China National Standards radio |
English PDF |
| GB/T 33740-2017 |
Mobile payment—Test methods of contactless radio frequency interface based on 2.45GHz range controlled communication technology 手机支付 基于2.45GHz RCC（限域通信）技术的非接触射频接口测试方法 |
China National Standards radio |
English PDF |
| GB/T 33739-2017 |
Test methods for radio frequency interface of contactless reader based on 13.56MHz and 2.45GHz dual-frequency technology 基于13.56MHz和2.45GHz双频技术的非接触式读写器射频接口测试方法 |
China National Standards radio |
English PDF |
| GB/T 33736-2017 |
Mobile payment—Technical requirements for contactless radio frequency interface based on 2.45GHz range controlled communication technology 手机支付 基于2.45GHz RCC（限域通信）技术的非接触射频接口技术要求 |
China National Standards radio |
English PDF |
| GB/T 33488.3-2017 |
Test method of pressure equipments of thermoplastics welded for chemicals—Part 3: radiographic examination 化工用塑料焊接制承压设备检验方法 第3部分：射线检测 |
China National Standards radio |
English PDF |
| GB/T 15707-2017 |
Limits of radio interference from high voltage AC overhead power transmission lines 高压交流架空输电线路无线电干扰限值 |
China National Standards radio |
English PDF |
| GB/T 15844-2017 |
General specification for professional radio transceiver employing F3E emission in the mobile services 移动通信专业调频收发信机通用规范 |
China National Standards radio |
English PDF |
| GB/T 35389-2017 |
Non-destructive testing—X-ray digital radiography—Guide 无损检测 X射线数字成像检测 导则 |
China National Standards radio |
English PDF |
| GB/T 35388-2017 |
Non-destructive testing—X-ray digital radiography—Practice 无损检测 X射线数字成像检测 检测方法 |
China National Standards radio |
English PDF |
| GB/T 17626.6-2017 |
Electromagnetic compatibility—Testing and measurement techniques—Immunity to conducted disturbances,induced by radio-frequency fields 电磁兼容 试验和测量技术 射频场感应的传导骚扰抗扰度 |
China National Standards radio |
English PDF |
| GB/T 17743-2017 |
Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment 电气照明和类似设备的无线电骚扰特性的限值和测量方法 |
China National Standards radio |
English PDF |
| GB/T 35290-2017 |
Information security technology - General requirement of security for radio frequency identification systems 信息安全技术 射频识别（RFID）系统通用安全技术要求 |
China National Standards radio |
English PDF |
| GB/T 35394-2017 |
Non-destructive testing—X-ray digital radiography—System properties 无损检测 X射线数字成像检测 系统特性 |
China National Standards radio |
English PDF |
| GB/T 35367-2017 |
X-ray radiography technique and quality classification for titanium butt weld joints on submersible 潜水器钛合金对接焊缝X射线检测及质量分级 |
China National Standards radio |
English PDF |
| GB/T 35139-2017 |
Photosynthetic active radiometer 光合有效辐射表 |
China National Standards radio |
English PDF |
| GB/T 17626.3-2016 |
Electromagnetic compatibility—Testing and measurement techniques—Radiated, radio-frequency, electromagnetic field immunity test 电磁兼容 试验和测量技术 射频电磁场辐射抗扰度试验 |
China National Standards radio |
English PDF |
| GB 14883.10-2016 |
National Food Safety Standard-Determination of radioactive substance cesium - 137 in foods 食品安全国家标准 食品中放射性物质铯-137的测定 |
China National Standards radio |
English PDF |
| GB 14883.8-2016 |
National Food Safety Standard-Determination of radioactive materials plutonium - 239 and plutonium - 240 in food 食品安全国家标准 食品中放射性物质钚-239、钚-240的测定 |
China National Standards radio |
English PDF |
| GB 14883.7-2016 |
National Food Safety Standard-radioactive material in foods - Determination of natural thorium and uranium 食品安全国家标准 食品中放射性物质天然钍和铀的测定 |
China National Standards radio |
English PDF |
| GB 14883.6-2016 |
National Food Safety Standard-Determination of radioactive substances radium - 226 and radium - 228 in foods 食品安全国家标准 食品中放射性物质镭-226和镭-228的测定 |
China National Standards radio |
English PDF |
| GB 14883.5-2016 |
National Food Safety Standard-Determination of radioactive substance polonium - 210 in food 食品安全国家标准 食品中放射性物质钋-210的测定 |
China National Standards radio |
English PDF |
| GB 14883.4-2016 |
National Food Safety Standard-DETERMINATION OF radioACTIVE SUBSTANCE -147 IN FOOD 食品安全国家标准 食品中放射性物质钷-147的测定 |
China National Standards radio |
English PDF |
| GB 14883.3-2016 |
National Food Safety Standard-Determination of radioactive strontium - 89 and strontium - 90 in food 食品安全国家标准 食品中放射性物质锶-89和锶-90的测定 |
China National Standards radio |
English PDF |
| GB 14883.2-2016 |
National Food Safety Standard-DETERMINATION OF radioACTIVE HYDROGEN - 3 IN FOODS 食品安全国家标准 食品中放射性物质氢-3的测定 |
China National Standards radio |
English PDF |
| GB 14883.1-2016 |
National Food Safety Standard-General rules for the examination of radioactive substances in foods 食品安全国家标准 食品中放射性物质检验 总则 |
China National Standards radio |
English PDF |
| GB/T 32830.2-2016 |
Equipment manufacturing industry—radio frequency identification for manufacturing process—Part 2 : Technical requirement and application specifications for RFID reader 装备制造业 制造过程射频识别 第2部分：读写器技术要求及应用规范 |
China National Standards radio |
English PDF |
| GB/T 32830.3-2016 |
Equipment manufacturing industry—radio frequency identification for manufacturing process—Part 3 : System application interface specification 装备制造业 制造过程射频识别 第3部分：系统应用接口规范 |
China National Standards radio |
English PDF |
| GB/T 32830.1-2016 |
Equipment manufacturing industry—radio frequency identification for manufacturing process—Part 1 : Technical requirement and application specifications for RFID tag 装备制造业 制造过程射频识别 第1部分：电子标签技术要求及应用规范 |
China National Standards radio |
English PDF |
| GB/T 32829-2016 |
Equipment maintenance and repair process of radio frequency identification technology specification 装备检维修过程射频识别技术应用规范 |
China National Standards radio |
English PDF |
| GB/T 6113.203-2016 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 2-3: Methods of measurement of disturbances and immunity—Radiated disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范 第2-3 部分：无线电骚扰和抗扰度测量方法 辐射骚扰测量 |
China National Standards radio |
English PDF |
| GB/T 6113.104-2016 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-4: Radio disturbance and immunity measuring apparatus—Antennas and test sites for radiated disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范 第1-4部分: 无线电骚扰和抗扰度测量设备 辐射骚扰测量用天线和试验场地 |
China National Standards radio |
English PDF |
| GB/T 6113.101-2016 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-1: Radio disturbance and immunity measuring apparatus—Measuring apparatus 无线电骚扰和抗扰度测量设备和测量方法规范 第1-1部分：无线电骚扰和抗扰度测量设备 测量设备 |
China National Standards radio |
English PDF |
| GB/T 32659-2016 |
Technical requirements and measurement methods for private digital mobile radio(PDR) equipment 专用数字对讲设备技术要求和测试方法 |
China National Standards radio |
English PDF |
| GB/T 32658-2016 |
RF technical requirements and test methods for amateur radio equipment 业余无线电设备射频技术要求及测试方法 |
China National Standards radio |
English PDF |
| GB/T 20408-2016 |
radio-controlled analogue clocks 指针式电波钟 |
China National Standards radio |
English PDF |
| GB/T 32401-2015 |
Technical requirements and measurement methods for VHF/UHF frequency band radio monitoring receiver VHF/UHF 频段无线电监测接收机技术要求及测试方法 |
China National Standards radio |
English PDF |
| GB/T 11313.29-2015 |
radio frequency connectors—Part 29: Sectional specification for miniature radio frequency coaxial connector(type 1.0/2.3)with screw, snap-on, push-pull or quick-lock,slide-in （rack and panel applications）mechanism with characteristic impedance 50Ω 射频连接器 第29部分：50Ω和75Ω用特性阻抗为50Ω、具有螺纹、推拉、快锁或滑轨式机架或面板用小型射频同轴连接器（1.0/2.3型）分规范 |
China National Standards radio |
English PDF |
| GB/T 18987-2015 |
radiotherapy equipment—Coordinates, movements and scales 放射治疗设备 坐标、运动与刻度 |
China National Standards radio |
English PDF |
| GB 9706.16-2015 |
Medical electrical equipment—Part 2: Particular requirements for the safety of radiotherapy simulators 医用电气设备 第2部分：放射治疗模拟机安全专用要求 |
China National Standards radio |
English PDF |
| GB/T 7465-2015 |
High activity cobalt-60 sealed radioactive sources 高活度钴60密封放射源 |
China National Standards radio |
English PDF |
| GB/T 19661.2-2015 |
Safety requirements for nuclear instrumentations and systems—Part 2: Constructional requirements and classification of radiometric gauges 核仪器及系统安全要求 第2部分：放射性测量计的结构要求和分级 |
China National Standards radio |
English PDF |
| GB/T 11604-2015 |
Testing procedure of radio interference generated by high voltage equipment 高压电气设备无线电干扰测试方法 |
China National Standards radio |
English PDF |
| GB/T 31843.3-2015 |
Maritime navigation and radiocommunication equipment and systems—Digital interfaces—Part 3：Serial data instrument network 海上导航和无线电通讯设备及系统 数字接口 第3部分：串行数据设备网络 |
China National Standards radio |
English PDF |
| GB/T 31837-2015 |
Hand-held radiation monitor for detection, alarming and identification of radioactive material 用于探测、报警与识别放射性材料的手持式辐射监测仪 |
China National Standards radio |
English PDF |
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