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Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 17737.112-2018 |
Coaxial communication cables—Part 1-112: Electrical test methods—Test for return loss (uniformity of impedance) 同轴通信电缆 第1-112部分:电气试验方法 回波损耗(阻抗一致性)试验 |
China National Standards Part |
English PDF |
GB/T 17737.105-2018 |
Coaxial communication cables—Part 1-105: Electrical test methods—Test for withstand voltage of cable dielectric 同轴通信电缆 第1-105部分:电气试验方法 电缆介质的耐电压试验 |
China National Standards Part |
English PDF |
GB/T 21412.7-2018 |
Petroleum and natural gas industries—Design and operation of subsea production systems—Part 7:Completion/workover riser systems 石油天然气工业 水下生产系统的设计与操作 第7部分:完井或修井隔水管系统 |
China National Standards Part |
English PDF |
GB/T 17737.316-2018 |
Coaxial communication cables—Part 1-316:echanical test methods—Test for maximum pulling force of cable 同轴通信电缆 第1-316部分:机械试验方法 电缆的最大抗拉力试验 |
China National Standards Part |
English PDF |
GB/T 17737.318-2018 |
Coaxial communication cables—Part 1-318: Mechanical test methods—Heat performance tests 同轴通信电缆 第1-318部分:机械试验方法 热性能试验 |
China National Standards Part |
English PDF |
GB/T 17737.314-2018 |
Coaxial communication cables—Part 1-314: Mechanical test methods—Test for cable bending 同轴通信电缆 第1-314部分:机械试验方法 电缆的弯曲试验 |
China National Standards Part |
English PDF |
GB/T 17737.301-2018 |
Coaxial communication cables—Part 1-301: Mechanical test methods—Test for ovality 同轴通信电缆 第1-301部分:机械试验方法 椭圆度试验 |
China National Standards Part |
English PDF |
GB/T 22319.9-2018 |
Measurement of quartz crystal unit parameters—Part 9:Measurement of spurious resonances of piezoelectric crystal units 石英晶体元件参数的测量 第9部分:石英晶体元件寄生谐振的测量 |
China National Standards Part |
English PDF |
GB/T 17737.108-2018 |
Coaxial communication cables—Part 1-108: Electrical test methods—Test for characteristic impedance, phase and group delay, electrical length and propagation velocity 同轴通信电缆 第1-108部分:电气试验方法 特性阻抗、相位延迟、群延迟、电长度和传播速度试验 |
China National Standards Part |
English PDF |
GB/T 17737.106-2018 |
Coaxial communication cables—Part 1-106: Electrical test methods—Test for withstand voltage of cable sheath 同轴通信电缆 第1-106部分:电气试验方法 电缆护套的耐电压试验 |
China National Standards Part |
English PDF |
GB/T 17737.101-2018 |
Coaxial communication cables—Part 1-101: Electrical test methods—Test for conductor d.c. resistance of cable 同轴通信电缆 第1-101部分:电气试验方法 导体直流电阻试验 |
China National Standards Part |
English PDF |
GB/T 17737.200-2018 |
Coaxial communication cables—Part 1-200: Environmental test methods—General requirements 同轴通信电缆 第1-200部分:环境试验方法 通用要求 |
China National Standards Part |
English PDF |
GB/T 17737.115-2018 |
Coaxial communication cables—Part 1-115: Electrical test methods—Test for regularity of impedance (pulse/step function return loss) 同轴通信电缆 第1-115部分:电气试验方法 阻抗均匀性(脉冲/阶跃函数回波损耗)试验 |
China National Standards Part |
English PDF |
GB/T 22319.11-2018 |
Measurement of quartz crystal unit parameters—Part 11:Standard method for the determination of the load resonance frequency fL and the effective load capacitance CLeff using automatic network analyzer techniques and error correction 石英晶体元件参数的测量 第11部分:采用自动网络分析技术和误差校正确定负载谐振频率和有效负载电容的标准方法 |
China National Standards Part |
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 Part |
English PDF |
GB/T 17737.324-2018 |
Coaxial communication cables—Part 1-324: Mechanical test methods—Test for abrasion resistance of cable 同轴通信电缆 第1-324部分:机械试验方法 电缆耐磨性试验 |
China National Standards Part |
English PDF |
GB/T 17737.308-2018 |
Coaxial communication cables—Part 1-308: Mechanical test methods—Test for tensile strength and elongation for copper-clad metals 同轴通信电缆 第1-308部分:机械试验方法 铜包金属的抗拉强度和延伸率试验 |
China National Standards Part |
English PDF |
GB/T 17737.325-2018 |
Coaxial communication cables—Part 1-325: Mechanical test methods—Aeolian vibration 同轴通信电缆 第1-325部分:机械试验方法 风激振动试验 |
China National Standards Part |
English PDF |
GB/T 36074.2-2018 |
Information technology service—Service management—Part 2: Implementation guide 信息技术服务 服务管理 第2部分:实施指南 |
China National Standards Part |
English PDF |
GB/T 17737.317-2018 |
Coaxial communication cables—Part 1-317: Mechanical test methods—Test for crush resistance of cable 同轴通信电缆 第1-317部分:机械试验方法 电缆抗压试验 |
China National Standards Part |
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 Part |
English PDF |
GB/T 20975.2-2018 |
Methods for chemical analysis of aluminium and aluminium alloys—Part2: Determination of arsenic content 铝及铝合金化学分析方法 第2部分:砷含量的测定 |
China National Standards Part |
English PDF |
GB/T 6609.19-2018 |
Chemical analysis methods and determination of physical performance of alumina—Part 19:Determination of lithium oxide content—Flame atomic absorption spectrometry method 氧化铝化学分析方法和物理性能测定方法 第19部分:氧化锂含量的测定 火焰原子吸收光谱法 |
China National Standards Part |
English PDF |
GB/T 20975.1-2018 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 1:Determination of mercury content 铝及铝合金化学分析方法 第1部分:汞含量的测定 |
China National Standards Part |
English PDF |
GB/T 29265.1-2017 |
Information technology—Information device intelligent grouping and resource sharing—Part 1: Architecture and reference model 信息技术 信息设备资源共享协同服务 第1部分:系统结构与参考模型 |
China National Standards Part |
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 Part |
English PDF |
GB/T 34905-2017 |
Sintered metal materials—Determination of the level of cleanliness of powder-metallurgy Parts 烧结金属材料 粉末冶金零部件清洁度的测定 |
China National Standards Part |
English PDF |
GB/T 22159.5-2017 |
Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 5: Driving point method for determination of the low-frequency transfer stiffness of resilient supports for translatory motion 声学与振动 弹性元件振动-声传递特性实验室测量方法 第5部分:弹性支撑件低频平动动刚度的驱动点测量方法 |
China National Standards Part |
English PDF |
GB/T 34690.3-2017 |
Graphic technology—Digitalized process control for offset printing—Part 3: Originals reception and processing 印刷技术 胶印数字化过程控制 第3部分:原始资料的接收和处理 |
China National Standards Part |
English PDF |
GB/T 22159.4-2017 |
Acoustics and vibration―Laboratory measurement of vibro-acoustic transfer properties of resilient elements―Part 4: Dynamic stiffness of elements other than resilient supports for translatory motion 声学与振动 弹性元件振动-声传递特性实验室测量方法 第4部分:弹性非支撑件平动动刚度 |
China National Standards Part |
English PDF |
GB/T 34874.3-2017 |
Geometrical product specifications (GPS)—X-ray three dimensional size measuring machines—Part 3:Acceptance and reverification tests 产品几何技术规范(GPS) X射线三维尺寸测量机 第3部分:验收检测和复检检测 |
China National Standards Part |
English PDF |
GB/T 20840.6-2017 |
Instrument transformers—Part 6:Additional general requirements for low-power instrument transformers 互感器 第6部分:低功率互感器的补充通用技术要求 |
China National Standards Part |
English PDF |
GB/T 34882-2017 |
Induction hardening and tempering of iron and steel Parts 钢铁件的感应淬火与回火 |
China National Standards Part |
English PDF |
GB/T 22720.1-2017 |
Rotating electrical machines—Qualification and quality control tests of Partial discharge free electrical insulation systems (Type I) used in rotating electrical machines fed from voltage converters 旋转电机 电压型变频器供电的旋转电机无局部放电(Ⅰ型)电气绝缘结构的鉴别和质量控制试验 |
China National Standards Part |
English PDF |
GB/T 34940.3-2017 |
Static transfer systems(STS)—Part 3: Method for specifying performance and test requirements 静态切换系统(STS) 第3部分:确定性能的方法和试验要求 |
China National Standards Part |
English PDF |
GB/T 18916.31-2017 |
Norm of water intake—Part 31 :Sintering and pelletizing for iron and steel industry 取水定额 第31部分:钢铁行业烧结/球团 |
China National Standards Part |
English PDF |
GB/T 34690.8-2017 |
Graphic technology—Digitalized process control for offset printing—Part 8: Offset press 印刷技术 胶印数字化过程控制 第8部分:胶印设备 |
China National Standards Part |
English PDF |
GB/T 34690.7-2017 |
Graphic technology—Digitalized process control for offset printing—Part 7: Computer to plate 印刷技术 胶印数字化过程控制 第7部分:计算机直接制版 |
China National Standards Part |
English PDF |
GB/T 16895.2-2017 |
Low-voltage electrical installations—Part 4-42: Protection for safety—Protection against thermal effects 低压电气装置 第4-42部分: 安全防护 热效应保护 |
China National Standards Part |
English PDF |
GB/T 7251.4-2017 |
Low-voltage switchgear and controlgear assemblies—Part 4: Particular requirements for assemblies for construction sites (ACS) 低压成套开关设备和控制设备 第4部分:对建筑工地用成套设备(ACS)的特殊要求 |
China National Standards Part |
English PDF |
GB/T 7251.3-2017 |
Low-voltage switchgear and controlgear assemblies—Part 3: Distribution boards intended to be operated by ordinary persons(DBO) 低压成套开关设备和控制设备 第3部分: 由一般人员操作的配电板(DBO) |
China National Standards Part |
English PDF |
GB/T 13870.4-2017 |
Effects of current on human beings and livestock—Part 4: Effects of lightning strokes 电流对人和家畜的效应 第4部分:雷击效应 |
China National Standards Part |
English PDF |
GB/T 12060.16-2017 |
Sound system equipment—Part 16: Objective rating of speech intelligibility by speech transmission index 声系统设备 第16部分:通过语音传输指数客观评价言语可懂度 |
China National Standards Part |
English PDF |
GB/T 34831-2017 |
Nanotechnologies—Electron microscopy imaging of noble metal nanoParticles—High angle annular dark field imaging method 纳米技术 贵金属纳米颗粒电子显微镜成像 高角环形暗场法 |
China National Standards Part |
English PDF |
GB/T 34690.4-2017 |
Graphic technology—Digitalized process control for offset printing—Part 4: File preparation for output 印刷技术 胶印数字化过程控制 第4部分:输出文件制作 |
China National Standards Part |
English PDF |
GB/T 34690.9-2017 |
Graphic technology—Digitalized process control for offset printing—Part 9: Printing 印刷技术 胶印数字化过程控制 第9部分:印刷 |
China National Standards Part |
English PDF |
GB/T 34939.1-2017 |
D.C.±800kV composite post insulator—Part 1: Composite post insulator with resin impregnated glass fibers solid core ±800kV直流支柱复合绝缘子 第1部分:环氧玻璃纤维实心芯体复合绝缘子 |
China National Standards Part |
English PDF |
GB/T 34940.2-2017 |
Static transfer systems(STS)—Part 2: Electromagnetic compatibility(EMC) requirements 静态切换系统(STS) 第2部分:电磁兼容性(EMC)要求 |
China National Standards Part |
English PDF |
GB/T 34940.1-2017 |
Static transfer systems(STS)—Part 1: General and safety requirements 静态切换系统(STS) 第1部分:总则和安全要求 |
China National Standards Part |
English PDF |
GB/T 34690.6-2017 |
Graphic technology—Digitalized process control for offset printing—Part 6: Digital hard copy proofing 印刷技术 胶印数字化过程控制 第6部分:数字硬打样 |
China National Standards Part |
English PDF |
GB/T 16857.2-2017 |
Geometrical product specifications (GPS)—Acceptance and reverification tests for coordinate measuring machines (CMM)—Part 2: CMMs used for measuring linear dimensions 产品几何技术规范(GPS) 坐标测量机的验收检测和复检检测 第2部分: 用于测量线性尺寸的坐标测量机 |
China National Standards Part |
English PDF |
GB/T 34867.1-2017 |
Procedures for measurement and verification of motor-system energy-savings—Part 1: Test procedures on working site for energy efficiency of motor 电动机系统节能量测量和验证方法 第1部分:电动机现场能效测试方法 |
China National Standards Part |
English PDF |
GB/T 13539.3-2017 |
Low-voltage fuses—Part 3: Supplementary requirements for fuses for use by unskilled persons (fuses mainly for household and similar applications)—Examples of standardized systems of fuses A to F 低压熔断器 第3部分: 非熟练人员使用的熔断器的补充要求 (主要用于家用和类似用途的熔断器) 标准化熔断器系统示例A至F |
China National Standards Part |
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 Part |
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 Part |
English PDF |
GB/T 34633.2-2017 |
Plain bearings—Pedestal plain bearings—Part 2: Side flange bearings 滑动轴承 壳体支撑滑动轴承 第2部分:偏置法兰式滑动轴承 |
China National Standards Part |
English PDF |
GB/T 34633.1-2017 |
Plain bearings—Pedestal plain bearings—Part 1: Pillow blocks 滑动轴承 壳体支撑滑动轴承 第1部分:座式滑动轴承 |
China National Standards Part |
English PDF |
GB/T 13738.1-2017 |
Black tea—Part1: Broken black tea 红茶 第1部分:红碎茶 |
China National Standards Part |
English PDF |
GB/T 13738.2-2017 |
Black tea—Part 2: Congou black tea 红茶 第2部分:工夫红茶 |
China National Standards Part |
English PDF |
GB/T 30357.7-2017 |
Oolong tea—Part 7: Foshou 乌龙茶 第7部分:佛手 |
China National Standards Part |
English PDF |
GB/T 25000.24-2017 |
Systems and software engineering—Systems and software Quality Requirements and Evaluation(SQuaRE)—Part 24: Measurement of data quality 系统与软件工程 系统与软件质量要求和评价(SQuaRE) 第24部分:数据质量测量 |
China National Standards Part |
English PDF |
GB/T 34954.1-2017 |
Process management for avionics—Electronic components capability in operation—Part 1:Temperature uprating 航空电子过程管理 电子器件使用性能 第1部分:温度升额 |
China National Standards Part |
English PDF |
GB/T 15623.2-2017 |
Hydraulic fluid power—Electrically modulated hydraulic control valves—Part 2: Test methods for three-port directional flow-control valves 液压传动 电调制液压控制阀 第2部分:三通方向流量控制阀试验方法 |
China National Standards Part |
English PDF |
GB/T 15242.2-2017 |
Dimensions series of rod and piston dynamic seals for hydraulic cylinders—Part 2:Dimensions and tolerances of bearing rings 液压缸活塞和活塞杆动密封装置尺寸系列 第2部分:支承环尺寸系列和公差 |
China National Standards Part |
English PDF |
GB/T 34889-2017 |
Carburizing or carbonitriding,quenching and tempering of steel Parts 钢件的渗碳与碳氮共渗淬火回火 |
China National Standards Part |
English PDF |
GB/T 18798.1-2017 |
Instant tea in solid form—Part 1: Sampling 固态速溶茶 第1部分:取样 |
China National Standards Part |
English PDF |
GB/T 34953.1-2017 |
Information technology—Security techniques—Anonymous entity authentication—Part 1: General 信息技术 安全技术 匿名实体鉴别 第1部分:总则 |
China National Standards Part |
English PDF |
GB/T 29265.307-2017 |
Information technology—Information device intelligent grouping and resource sharing—Part 307: Remote user interface 信息技术 信息设备资源共享协同服务 第307部分:远程用户界面 |
China National Standards Part |
English PDF |
GB/T 29265.102-2017 |
Information technology—Information device intelligent grouping and resource sharing—Part 102: Remote access-architecthre 信息技术 信息设备资源共享协同服务 第102部分:远程访问系统结构 |
China National Standards Part |
English PDF |
GB/T 32419.6-2017 |
Information technology—Specification for SOA technical implementation—Part 6: Identity management service 信息技术 SOA技术实现规范 第6部分:身份管理服务 |
China National Standards Part |
English PDF |
GB/T 15242.1-2017 |
Dimensions series of rod and piston dynamic seals for hydraulic cylinders—Part 1:Dimensions and tolerances of co-axial seals for reciprocating applications 液压缸活塞和活塞杆动密封装置尺寸系列 第1部分:同轴密封件尺寸系列和公差 |
China National Standards Part |
English PDF |
GB/T 34891-2017 |
Rolling bearings—Parts made from high-carbon chromium bearing steels—Specifications for heat treatment 滚动轴承 高碳铬轴承钢零件 热处理技术条件 |
China National Standards Part |
English PDF |
GB/T 33523.2-2017 |
Geometrical product specifications (GPS)—Surface texture:Areal—Part 2: Terms, definitions and surface texture parameters 产品几何技术规范(GPS) 表面结构 区域法 第2部分:术语、定义及表面结构参数 |
China National Standards Part |
English PDF |
GB/T 34960.4-2017 |
Information technology service—Governance—Part 4:Audit guidance 信息技术服务 治理 第4部分:审计导则 |
China National Standards Part |
English PDF |
GB/T 34961.3-2017 |
Information technology—Implementation and operation of customer premises cabling—Part 3:Testing of optical fibre cabling 信息技术 用户建筑群布缆的实现和操作 第3部分:光纤布缆测试 |
China National Standards Part |
English PDF |
GB/T 34923.6-2017 |
Street lights control and management system—Part 6: Technical specification of communication protocol 路灯控制管理系统 第6部分:通信协议技术规范 |
China National Standards Part |
English PDF |
GB/T 34923.1-2017 |
Street lights control and management system—Part 1: General principle 路灯控制管理系统 第1部分:总则 |
China National Standards Part |
English PDF |
GB/T 34717-2017 |
Extruded Particleboard 挤压刨花板 |
China National Standards Part |
English PDF |
GB/T 20840.9-2017 |
Instrument transformers—Part 9:Digital interface for instruments transformers 互感器 第9部分:互感器的数字接口 |
China National Standards Part |
English PDF |
GB/T 7602.4-2017 |
Quantitative determination of T501 oxidation inhibitor content in transformer oil or turbine oil—Part 4: GC/MS method 变压器油、涡轮机油中T501抗氧化剂含量测定法 第4部分:气质联用法 |
China National Standards Part |
English PDF |
GB/T 15022.7-2017 |
Resin based reactive compounds used for electrical insulation—Part 7: Epoxy-anhydride vacuum pressure impregnation(VPI) resin 电气绝缘用树脂基活性复合物 第7部分:环氧酸酐真空压力浸渍(VPI)树脂 |
China National Standards Part |
English PDF |
GB/T 16857.5-2017 |
Geometrical product specifications(GPS)—Acceptance and reverification tests for coordinate measuring machines (CMM)—Part 5:CMMs using single or multiple stylus contacting probing systems 产品几何技术规范(GPS) 坐标测量机的验收检测和复检检测 第5部分:使用单探针或多探针接触式探测系统的坐标测量机 |
China National Standards Part |
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 Part |
English PDF |
GB/T 19812.3-2017 |
Plastic equipment for water saving irrigation—Part 3:Drip pipe and drip tape inlaid with emitters inside 塑料节水灌溉器材 第3部分:内镶式滴灌管及滴灌带 |
China National Standards Part |
English PDF |
GB/T 19068.2-2017 |
Small wind turbines—Part 2: Test method 小型风力发电机组 第2部分:试验方法 |
China National Standards Part |
English PDF |
GB/T 18442.7-2017 |
Static vacuum insulated cryogenic pressure vessels— Part 7:Rules of pressure strengthening for inner vessels 固定式真空绝热深冷压力容器 第7部分:内容器应变强化技术规定 |
China National Standards Part |
English PDF |
GB/T 34666.1-2017 |
Technical specification for compilation for water quality criteria data—Part 1:Pollutants concentration 水质基准数据整编技术规范 第1部分:污染物含量 |
China National Standards Part |
English PDF |
GB/T 34666.2-2017 |
Technical specification for compilation for water quality criteria data—Part 2:Aquatic toxicity 水质基准数据整编技术规范 第2部分:水生生物毒性 |
China National Standards Part |
English PDF |
GB/T 22305.1-2017 |
Cardamom—Part 1:Whole capsules 小豆蔻 第1部分:整果荚 |
China National Standards Part |
English PDF |
GB/T 22305.2-2017 |
Cardamom—Part 2:Seeds 小豆蔻 第2部分:种子 |
China National Standards Part |
English PDF |
GB/T 30269.503-2017 |
Information technology—Sensor networks—Part 503: Identification: Identifier registration procedures for sensor node 信息技术 传感器网络 第503部分:标识:传感节点标识符注册规程 |
China National Standards Part |
English PDF |
GB/T 29265.502-2017 |
Information technology—Information device intelligent grouping and resource sharing—Part 502: Remote access test 信息技术 信息设备资源共享协同服务 第502部分:远程访问测试 |
China National Standards Part |
English PDF |
GB/T 29265.205-2017 |
Information technology—Information device intelligent grouping and resource sharing—Part 205: Remote access core protocol 信息技术 信息设备资源共享协同服务 第205部分:远程访问基础协议 |
China National Standards Part |
English PDF |
GB/T 29265.206-2017 |
Information technology—Information device intelligent grouping and resource sharing—Part 206: Remote access service platform 信息技术 信息设备资源共享协同服务 第206部分:远程访问服务平台 |
China National Standards Part |
English PDF |
GB/T 29265.407-2017 |
Information technology-Information device intelligent grouping and resource sharing—Part 407: Audio interconnection protocol 信息技术 信息设备资源共享协同服务 第407部分:音频互连协议 |
China National Standards Part |
English PDF |
GB/T 34981.2-2017 |
Specification of data for organization statistics and real-name management system—Part 2:Code set 机构编制统计及实名制管理系统数据规范 第2部分:代码集 |
China National Standards Part |
English PDF |
GB/T 34981.1-2017 |
Specification of data for organization statistics and real-name management system—Part 1: General 机构编制统计及实名制管理系统数据规范 第1部分:总则 |
China National Standards Part |
English PDF |
GB/T 20441.6-2017 |
Electroacoustics—Measurement microphones—Part 6: Electrostatic actuators for determination of frequency response 电声学 测量传声器 第6部分:用于测定频率响应的静电激励器 |
China National Standards Part |
English PDF |
GB/T 25102.8-2017 |
Electroacoustics—Hearing aids—Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions 电声学 助听器 第8部分:模拟实际工作条件下的助听器性能测量方法 |
China National Standards Part |
English PDF |
GB/T 25102.6-2017 |
Electroacoustic—Hearing aids—Part 6: Characteristics of electrical input circuits for hearing aids 电声学 助听器 第6部分:助听器输入电路的特性 |
China National Standards Part |
English PDF |
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