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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 14805.1-2007 |
Electronic data interchange for administration,commerce andtransport (EDIFACT) - Application level syntax rules (Syntax version number: 4，Syntax release number:1) - Part 1: Syntax rules common to all parts 行政、商业和运输业电子数据交换(EDIFACT) 应用级语法规则(语法版本号: 4，语法发布号:1) 第1部分：公用的语法规则 |
China National Standards level |
 English PDF |
| GB/T 20920-2007 |
Electronic level meter 电子水平仪 |
China National Standards level |
English PDF |
| GB 14536.18-2006 |
Automatic electrical controls for household and similar use - Particular requirements for automatic electrical water level controls of the float type for household and similar applications 家用和类似用途电自动控制器 家用和类似应用浮子型水位控制器的特殊要求 |
China National Standards level |
English PDF |
| GB/T 20438.5-2006 |
Functional safety of electrical/electronic/programmable electronic safety-related systems―Part 5: Examples of methods for the determination of safety integrity levels 电气/电子/可编程电子安全相关系统的功能安全 第5部分: 确定安全完整性等级的方法示例 |
China National Standards level |
English PDF |
| GB/T 14367-2006 |
Acoustics―Determination of sound power levels of noise sources―Guidelines for the use of basic standards 声学 噪声源声功率级的测定 基础标准使用指南 |
China National Standards level |
English PDF |
| GB 50168-2006 |
Erection works of electrical installations Code for construction and acceptance of cable levels 电气装置安装工程电缆线路施工及验收规范 |
China National Standards level |
English PDF |
| GB/T 12897-2006 |
Specifications for the first and second order leveling 国家一、二等水准测量规范 |
China National Standards level |
English PDF |
| GB/T 20248-2006 |
Acoustics - Measurement of sound pressure levels in the interior of aircraft during flight 声学 飞行中飞机舱内声压级的测量 |
China National Standards level |
English PDF |
| GB/T 20246-2006 |
Acoustics - Determination of sound power levels of multisource industrial plants for evaluation of sound pressure levels in the environment - Engineering method 声学 用于评价环境声压级的多声源工厂的声功率级测定 工程法 |
China National Standards level |
English PDF |
| GB/T 16404.3-2006 |
Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning 声学 声强法测定噪声源声功率级 第3部分：扫描测量精密法 |
China National Standards level |
English PDF |
| GB 14536.17-2005 |
Automatic electrical controls for household and similar use Part 2:particular requirements for automatic electrical water level sensing controls of the float or electrode-sensor type used in boiler applications 家用和类似用途电自动控制器 第2部分：锅炉器具中使用的浮子型或电极敏感型水位敏感电自动控制器的特殊要求 |
China National Standards level |
English PDF |
| GB/T 14805.10-2005 |
Electronic data interchange for administration,commerce and transport(EDIFACT)-Application level syntax rules-Part 10:Syntax service directories 用于行政、商业和运输业电子数据交换的应用级语法规则 第10部分:语法服务目录 |
China National Standards level |
English PDF |
| GB/Z 19511-2004 |
Industrial，scientific and medical equipment(ISM)--Guidelines for emission levels within the bands designated by the ITU 工业、科学和医疗设备(ISM) 国际电信联盟(ITU)指定频段内的辐射电平指南 |
China National Standards level |
English PDF |
| GB/T 4854.1-2004 |
Acoustics--Reference zero for the calibration of audiometric equipment--Part1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones 声学 校准测听设备的基准零级 第1部分:压耳式耳机纯音基准等效阈声压级 |
China National Standards level |
English PDF |
| GB/T 19418-2003 |
Arc-welded joints in steel--Guidance on quality levels for imperfections 钢的弧焊接头 缺陷质量分级指南 |
China National Standards level |
English PDF |
| GB/T 7214-2003 |
Fixed capacitors for use in electronic equipment--Part 15-3:Blank detail specification--Fixed tantalum capacitors with solid electrolyte and porous anode--Assessment level E 电子设备用固定电容器 第15-3部分:空白详细规范 固体电解质和多孔阳极钽电容器 评定水平 E |
China National Standards level |
English PDF |
| GB/T 5994-2003 |
Fixed capacitors for use in electronic equipment--Part 4-1:Blank detail specification--Auminium electrolytic capacitors with non-solid electrolyte--Assessment level E 电子设备用固定电容器 第4-1部分:空白详细规范 非固体电解质铝电容器 评定水平E |
China National Standards level |
English PDF |
| GB/T 4980-2003 |
Determination of sound level for noise emitted by displacement compressors 容积式压缩机噪声的测定 |
China National Standards level |
English PDF |
| GB/T 7156-2003 |
Codes and identification of secret level for documents 文献保密等级代码与标识 |
China National Standards level |
English PDF |
| GB/T 1094.10-2003 |
Power transformers--Part 10: Determination of sound levels 电力变压器 第10部分:声级测定 |
China National Standards level |
English PDF |
| GB 1094.3-2003 |
Power transformers--Part 3: Insulation levels，dielectric tests and external clearances in air 电力变压器 第3部分: 绝缘水平、绝缘试验和外绝缘空气间隙 |
China National Standards level |
English PDF |
| GB/T 4129-2003 |
Acoustics--Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels 声学 用于声功率级测定的标准声源的性能与校准要求 |
China National Standards level |
English PDF |
| GB/T 18039.4-2003 |
Electromagnetic compatibility--Environment--Compatibility levels in industrial plants for low-frequency conducted disturbances 电磁兼容 环境 工厂低频传导骚扰的兼容水平 |
China National Standards level |
English PDF |
| GB/T 18039.3-2003 |
Electromagnetic compatibility--Environment--Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems 电磁兼容 环境 公用低压供电系统低频传导骚扰及信号传输的兼容水平 |
China National Standards level |
English PDF |
| GB/T 7154.4-2003 |
Thermistors--Directly heated positive step-function temperature coefficient--Part 1-4: Blank detail specification--Sensing application--Assessment level EZ 直热式阶跃型正温度系数热敏电阻器 第1-4部分:敏感用空白详细规范 评定水平EZ |
China National Standards level |
English PDF |
| GB/T 7154.3-2003 |
Thermistors--Directly heated positive step-function temperature coefficient--Part 1-3: Blank detail specification--Inrush current application--Assessment level EZ 直热式阶跃型正温度系数热敏电阻器 第1-3部分:浪涌电流用空白详细规范 评定水平EZ |
China National Standards level |
English PDF |
| GB/T 7154.2-2003 |
Thermistors--Directly heated positive step-function temperature coefficient--Part 1-2: Blank detail specification--Heating element application--Assessment level EZ 直热式阶跃型正温度系数热敏电阻器 第1-2部分:加热元件用空白详细规范 评定水平EZ |
China National Standards level |
English PDF |
| GB/T 7154.1-2003 |
Thermistors--Directly heated positive step-function temperature coefficient--Part 1-1:Blank detail specification for current limiting application--Assessment level EZ 直热式阶跃型正温度系数热敏电阻器 第1-1部分:限流用空白详细规范 评定水平EZ |
China National Standards level |
English PDF |
| GB/T 14039-2002 |
Hydraulic fluid power--Fluids--Method for coding the level of contamination by solid particles 液压传动 油液 固体颗粒污染等级代号 |
China National Standards level |
English PDF |
| GB/T 8052-2002 |
Single and multi-level continuous sampling procedures and tables for inspection by attributes 单水平和多水平计数连续抽样检验程序及表 |
China National Standards level |
English PDF |
| GB/T 6881.3-2002 |
Acoustics--Determination of sound power levels of noise sources-using sound pressure--Engineering methods for small，movable sources in reverberant fields--Part 2:Methods for special reverberation test rooms 声学 声压法测定噪声源声功率级 混响场中小型可移动声源工程法 第2部分:专用混响测试室法 |
China National Standards level |
English PDF |
| GB/T 6881.2-2002 |
Acoustics--Determination of sound power levels of noise sources--Engineering methods for small，movable sources in reverberant field--Part 1:Comparison method for hard-walled test rooms 声学 声压法测定噪声源声功率级 混响场中小型可移动声源工程法 第1部分:硬壁测试室比较法 |
China National Standards level |
English PDF |
| GB/T 6881.1-2002 |
Acoustics--Determination of sound power levels of noise sources using sound pressure--Precision methods for reverberation rooms 声学 声压法测定噪声源声功率级 混响室精密法 |
China National Standards level |
English PDF |
| GB/T 18492-2001 |
Information technology--System and software inte-grity levels 信息技术 系统及软件完整性级别 |
China National Standards level |
English PDF |
| GB 18394-2001 |
Permitted level of moisture in meat of livestock and poultry 畜禽肉水分限量 |
China National Standards level |
English PDF |
| GB/Z 18039.2-2000 |
Electromagneticcompatibility -- Environment --Assessment of the emission levels in the power supply of industrial plants as regards low-frequency conducted disturbances 电磁兼容 环境 工业设备电源低频传导骚扰发射水平的评估 |
China National Standards level |
English PDF |
| GB/T 17248.1-2000 |
Acoustics--Noise emitted by machinery and equipment--Guidelines forthe use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions 声学 机器和设备发射的噪声 测定工作位置和其他指定位置发射声压级的基础标准使用导则 |
China National Standards level |
English PDF |
| GB/T 17972-2000 |
Information processing systems--Data communications--Use of the X.25 packet level protocol in local area networks 信息处理系统 数据通信 局域网中使用X.25包级协议 |
China National Standards level |
English PDF |
| GB/T 7584.2-1999 |
Acoustics--Hearing protectors--Part 2:Estimation of effective A-weighted sound pressure levels when hearing protectors are worn 声学 护听器 第2部分:戴护听器时有效的A计权声压级估算 |
China National Standards level |
English PDF |
| GB/T 4854.4-1999 |
Acoustics--Reference zero for the calibration of audiometric equipment--Part 4:Reference levels for narrow-band masking noise 声学 校准测听设备的基准零级 第4部分:窄带掩蔽噪声的基准级 |
China National Standards level |
English PDF |
| GB/T 17248.5-1999 |
Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at other specified positions--Method requiring environmental corrections 声学 机器和设备发射的噪声 工作位置和其他指定位置发射声压级的测量 环境修正法 |
China National Standards level |
English PDF |
| GB/T 17248.3-1999 |
Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at other specified positions--Survey method in situ 声学 机器和设备发射的噪声 工作位置和其他指定位置发射声压级的测量 现场简易法 |
China National Standards level |
English PDF |
| GB/T 17248.2-1999 |
Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at otherspecified positions--Engineering method in an essentially free field over a reflecting plane 声学 机器和设备发射的噪声 工作位置和其他指定位置发射声压级的测量 一个反射面上方近似自由场的工程法 |
China National Standards level |
English PDF |
| GB/T 16404.2-1999 |
Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 2:Measurement by scanning 声学 声强法测定噪声源的声功率级 第2部分:扫描测量 |
China National Standards level |
English PDF |
| GB/T 6262-1998 |
Fixed capacitors for use in electronic equipment--Part 5:Blank detail specification--Fixed mica dielectric d.c.capacitors witha rated voltage not exceeding 3000V--Assessment level E 电子设备用固定电容器 第5部分:空白详细规范 额定电压不超过3000伏的直流云母介质固定电容器 评定水平E |
China National Standards level |
English PDF |
| GB/T 17483-1998 |
Test code for the determination of airborne noise level of hydraulic pumps 液压泵空气传声噪声级测定规范 |
China National Standards level |
English PDF |
| GB/T 17439-1998 |
Specification for transmission of component-coded digital television signals for contribution-quality applications at the third hierarchical level 在三次群中传送馈送质量分量编码数字电视信号传输技术规范 |
China National Standards level |
English PDF |
| GB/T 17312-1998 |
Random-incidence and diffuse-field calibration of sound level meters 声级计的无规入射和扩散场校准 |
China National Standards level |
English PDF |
| GB/T 4854.3-1998 |
Acoustics--Reference zero for the calibration of audiometric equipment--Part 3:Reference equivalent threshold force levels for pure tones and bone vibrators 声学 校准测听设备的基准零级 第3部分:骨振器纯音基准等效阈力级 |
China National Standards level |
English PDF |
| GB/T 17248.4-1998 |
Acoustics--Noise emitted by machinery and equipment--Determination of emission sound pressure level at a work station and at other specified position from the sound power level 声学 机器和设备发射的噪声 由声功率级确定工作位置和其他指定位置的发射声压级 |
China National Standards level |
English PDF |
| GB/T 17208-1998 |
Fixed capacitors for use in electronic equipment--Part 18:Blank detail specification--Fixed aluminium electrolytic chip capacitors with non-solid electrolyte--Assessment level E 电子设备用固定电容器 第18部分:空白详细规范 非固体电解质片式铝固定电容器 评定水平E |
China National Standards level |
English PDF |
| GB/T 12865-1997 |
Piezoelectric ceramic filters for use in electronic equipment--A specification in the quality assessment system forelectronic components--Part 2:Sectional specification--Qualification approval--Section 1:Blank detail specification--Assessment level E 电子设备用压电陶瓷滤波器 电子元器件质量评定体系规范 第2部分:分规范 鉴定批准 第一篇:空白详细规范 评定水平E |
China National Standards level |
English PDF |
| GB/T 17182-1997 |
Peak programme level meters 峰值节目电平表 |
China National Standards level |
English PDF |
| GB/T 17170-1997 |
Test method for deep level EL2 concentration of undoped semiinsulating monocrystal gallium arsenide by measurement infra-red absorption method 非掺杂半绝缘砷化镓单晶深能级EL2浓度红外吸收测试方法 |
China National Standards level |
English PDF |
| GB/T 10195.2-1997 |
Varistors for use in electronic equipment--Part 2:Blank detail specification for zinc oxide surge suppression varistors--Assessment level E 电子设备用压敏电阻器 第2部分:空白详细规范 氧化锌浪涌抑制型压敏电阻器 评定水平E |
China National Standards level |
English PDF |
| GB/T 10195.1-1997 |
Varistors for use in electronic equipment--Part 2:Blank detail specification for silicon carbide surge suppression varistors--Assessment level E 电子设备用压敏电阻器 第2部分:空白详细规范 碳化硅浪涌抑制型压敏电阻器 评定水平E |
China National Standards level |
English PDF |
| GB/T 17035-1997 |
Fixed resistors for use in electronic equipment--Part 4:Blank detailspecification--Fixed power resistors， heat-sink types--Assessment level H 电子设备用固定电阻器 第4部分:空白详细规范 带散热器的功率型固定电阻器 评定水平H |
China National Standards level |
English PDF |
| GB/T 17034-1997 |
Fixed resistors for use in electronic equipment--Part 2:Blank detail specification--Fixed low-power non-wirewound resistors--Assessment level F 电子设备用固定电阻器 第2部分:空白详细规范 低功率非线绕固定电阻器 评定水平F |
China National Standards level |
English PDF |
| GB/T 17029-1997 |
Potentiometers for use in electronic equipment--Part 5:Blank detail specification--Single-turn rotary low-power potentiometers--Assessment level F 电子设备用电位器 第5部分:空白详细规范 单圈旋转低功率电位器 评定水平F |
China National Standards level |
English PDF |
| GB/T 17028-1997 |
Potentiometers for use in electronic equipment--Part 5:Blank detail specification--Single-turn rotary low-power potentiometers--Assessment level E 电子设备用电位器 第5部分:空白详细规范 单圈旋转低功率电位器 评定水平E |
China National Standards level |
English PDF |
| GB/T 17027-1997 |
Potentiometers for use in electronic equipment--Part 4:Blank detail specification--Single-turn rotary power potentiometers--Assessment level F 电子设备用电位器 第4部分:空白详细规范 单圈旋转功率电位器 评定水平F |
China National Standards level |
English PDF |
| GB/T 17026-1997 |
Potentiometers for use in electronic equipment--Part 4:Blank detail specification--Single-turn rotary power potentiometers--Assessment level E 电子设备用电位器 第4部分:空白详细规范 单圈旋转功率电位器 评定水平E |
China National Standards level |
English PDF |
| GB/T 16539-1996 |
Acoustics--Determination of sound power levels of noise sources using vibration velocity--Measurement for seal machinery 声学 振速法测定噪声源声功率级 用于封闭机器的测量 |
China National Standards level |
English PDF |
| GB/T 3768-1996 |
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting plane 声学 声压法测定噪声源声功率级 反射面上方采用包络测量表面的简易法 |
China National Standards level |
English PDF |
| GB/T 3767-1996 |
Acoustics--Determination of sound power levels of noise sources using sound pressure--Engineering method in an essentially free field over a reflecting plane 声学 声压法测定噪声源声功率级 反射面上方近似自由场的工程法 |
China National Standards level |
English PDF |
| GB/T 16404-1996 |
Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 1:Measurement at discrete points 声学 声强法测定噪声源的声功率级 第1部分:离散点上的测量 |
China National Standards level |
English PDF |
| GB/T 16402-1996 |
Acoustics--Reference equivalent threshold sound pressure levels for pure tones and insert earphones 声学 插入式耳机纯音基准等效阈声压级 |
China National Standards level |
English PDF |
| GB/T 15885-1995 |
Fixed resistors for use in electronic equipment--Part 4:Blank detail specification--Fixed power resistors--Assessment level F 电子设备用固定电阻器 第4部分:空白详细规范 功率型固定电阻器 评定水平 F |
China National Standards level |
English PDF |
| GB/T 15884-1995 |
Fixed resistors for use in electronic equipment--Part 5:Blank detail specification--Fixed precision resistors--Assessment level F 电子设备用固定电阻器 第5部分:空白详细规范 精密固定电阻器 评定水平 F |
China National Standards level |
English PDF |
| GB/T 15883-1995 |
Fixed film resistor networks for use in electronic equipment--Part 2:Blank detail specification for film resistor networks of assessedquality on the basis of the capability approval procedure--Assessment level E 电子设备用膜固定电阻网络 第2部分:按能力批准程序评定质量的膜电阻网络空白详细规范 评定水平E |
China National Standards level |
English PDF |
| GB/T 15881-1995 |
Potentiometers for use in electronic equipment--Part 3:Blank detail specification--Rotary precision potentiometers--Assessment level E 电子设备用电位器 第3部分:空白详细规范 旋转式精密电位器 评定水平E |
China National Standards level |
English PDF |
| GB/T 15950-1995 |
General requirements for environmental radiation monitoring around near surface disposal site of low-intermediate level radioactive solid waste 低、中水平放射性废物近地表处置场环境辐射监测的一般要求 |
China National Standards level |
English PDF |
| GB 14569.3-1995 |
Characteristic requirements for solidified waste of low and intermediate level radioactive waste--Bitumen solidified waste 低、中水平放射性废物固化体性能要求 沥青固化体 |
China National Standards level |
English PDF |
| GB/T 15465-1995 |
General specification for low-light level television cameras 微光电视摄像机总技术条件 |
China National Standards level |
English PDF |
| GB/T 15300-1994 |
Potentiometers for use in electronic equipment--Part 2:Blank detail specification--Lead-screw actuated and rotary preset potentiometers--Assessmentlevel E 电子设备用电位器 第二部分:空白详细规范 螺杆驱动和旋转预调电位器 评定水平 E |
China National Standards level |
English PDF |
| GB/T 14805-1993 |
Electronic datainterchange for administration，commerce and transport (EDIFACT)--Application level syntax rules 用于行政、商业和运输业电子数据交换的应用级语法规则 |
China National Standards level |
English PDF |
| GB 14589-1993 |
Technical rules for interim storage of low and inter-mediate level solid radioactive waste from nuclear power plant 核电厂低、中水平放射性固体废物暂时贮存技术规定 |
China National Standards level |
English PDF |
| GB/T 14005-1992 |
Fixed capacitors for use in electronic equipment--Part 6:Blank detail specification--Fixed metallized polycarbonate film dielectric d.c. capacitors--Assessment level E 电子设备用固定电容器 第6部分:空白详细规范 金属化聚碳酸酯膜介质直流固定电容器 评定水平 E(可供认证用) |
China National Standards level |
English PDF |
| GB/T 13894-1992 |
Petroleum and liquid petroleum products--Measurement of liquid level in tank--Manual method 石油和液体石油产品液位测量法(手工法) |
China National Standards level |
English PDF |
| GB 13600-1992 |
Regulations for disposal of solidlow-and intermediate level radioactive wastes in rock cavities 低中水平放射性固体废物的岩洞处置规定 |
China National Standards level |
English PDF |
| GB/T 12795-1991 |
Fixed capacitors for use in electronic equipment--Part 15:Blank detail specification--Tantalum capacitors with non-solid electrolyte and porous anode--Assessment level E 电子设备用固定电容器 第15部分:空白详细规范 非固体电解质多孔阳极钽电容器 评定水平 E (可供认证用) |
China National Standards level |
English PDF |
| GB/T 12794-1991 |
Fixed capacitors for use in electronic equipment--Part 15:Blank detail specification--Tantalum capacitors with non-solid electrolyte and foil electrode--Assessment level E 电子设备用固定电容器 第15部分:空白详细规范 非固体电解质箔电极钽电容器 评定水平 E (可供认证用) |
China National Standards level |
English PDF |
| GB 12711-1991 |
Standard of safety for low and intermediate-level solid radioactive waste packages 低、中水平放射性固体废物包装安全标准 |
China National Standards level |
English PDF |
| GB/T 12277-1990 |
Fixed resistors for use in electronic equipment--Part 7:Blank detail specification--Fixed resistor networks in which not allresistors are individually measurable--Assessment level E 电子设备用固定电阻器 第七部分:空白详细规范 各电阻器不可单独测量的固定电阻网络 评定水平 E (可供认证用) |
China National Standards level |
English PDF |
| GB 11928-1989 |
Regulations for interim storage of low-and intermediate-level radioactive solid wastes 低、中水平放射性固体废物暂时贮存规定 |
China National Standards level |
English PDF |
| GB/T 10318-1988 |
Phosphor Y20 for low-light-level picturetubes and storage tubes 夜视器件和存储管用Y20荧光粉 |
China National Standards level |
English PDF |
| GB 9662-1988 |
Guideline on intervention levels and medical management in the event of radiological accident 电离辐射事故干预水平及医学处理原则 |
China National Standards level |
English PDF |
| GB/T 9629-1988 |
Inductor and transformer cores for telecommunications--Part 4:Blank detail specification--Magnetic oxide cores for transformers and chokes for power applications--Assessment level A 通信用电感器和变压器磁芯 第四部分:空白详细规范 电源变压器和扼流圈用磁性氧化物磁芯 评定水平 A(可供认证用) |
China National Standards level |
English PDF |
| GB/T 9627-1988 |
Inductor and transformer cores for telecommunications--Part 3:Blank detail specification--Magnetic oxide cores for broad-band transformers--Assessment levels A and B 通信用电感器和变压器磁芯 第三部分:空白详细规范 宽带变压器用磁性氧化物磁芯评定水平 A和B (可供认证用) |
China National Standards level |
English PDF |
| GB/T 9625-1988 |
Inductor and transformer cores for telecommunications--Part 2:Blank detail specification--Magnetic oxide cores for inductor applications--Assessment level A 通信用电感器和变压器磁芯 第二部分:空白详细规范 电感器用磁性氧化物磁芯 评定水平 A (可供认证用) |
China National Standards level |
English PDF |
| GB 9132-1988 |
Regulations for shallow ground disposal of solid low-and intermediate-level radioactive wastes 低中水平放射性固体废物的浅地层处置规定 |
China National Standards level |
English PDF |
| GB/T 9068-1988 |
Determination of sound power levels for noise emitted by heating，ventilating and air conditioning equipments--Engineering method 采暖通风与空气调节设备噪声声功率级的测定 工程法 |
China National Standards level |
English PDF |
| GB/T 7340-1987 |
Fixed resistors for use in electronic equipment--Part 6:Blank detail specification--Fixed resistor networks with individually measurable resistor of either different resistance values or different rated dissipations--Assessment level E 电子设备用固定电阻器 第六部分:空白详细规范 阻值和功耗不同， 各电阻器可单独测量的固定电阻网络 评定水平 E (可供认证用) |
China National Standards level |
English PDF |
| GB/T 7339-1987 |
Fixed resistors for use in electronic equipment--Part 6:Blank detail specification--Fixed resistor networks with individually measurable resistors， all of equal value and equal dissipation--Assessment level E 电子设备用固定电阻器 第六部分:空白详细规范 阻值和功耗相同， 各电阻器可单独测量的固定电阻网络 评定水平 E (可供认证用) |
China National Standards level |
English PDF |
| GB 5979-1986 |
Regulation on noise levels on board sea-going ships 海洋船舶噪声级规定 |
China National Standards level |
English PDF |
| GB/T 5733-1985 |
Fixed resistors for use in electronic equipment--Part 4:Blank detail specification--Fixed power resistors Assessment level E 电子设备用固定电阻器 第四部分:空白详细规范 功率型固定电阻器 评定水平E (可供认证用) |
China National Standards level |
English PDF |
| GB/T 5731-1985 |
Fixed resistors for use in electronic equipment--Part 2:Blank detail specification--Fixed low-power non-wire wound resistors--Assessment level E 电子设备用固定电阻器 第二部分:空白详细规范 低功率非线绕固定电阻器 评定水平E(可供认证用) |
China National Standards level |
English PDF |
| GB/T 5735-1985 |
Fixed resistors for use in electronic equipment--Part 5:Blank detail specification--Fixed precision resistors--Assessment level E 电子设备用固定电阻器 第五部分:空白详细规范 精密固定电阻器 评定水平E (可供认证用) |
China National Standards level |
English PDF |
| GB 5044-1985 |
Classification of health hazard levels fromoccup-ational exposure to toxic substances 职业性接触毒物危害程度分级 |
China National Standards level |
English PDF |
| GB/T 4215-1984 |
Determination of sound power levels of noise emitted by metal cutting machine tools 金属切削机床噪声声功率级的测定 |
China National Standards level |
English PDF |
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