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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 3883.7-2012 |
Safety of hand-held motor-operated electric tools - Part 2: Particular requirEMents for hammers 手持式电动工具的安全 第2部分：锤类工具的专用要求 |
China National Standards EM |
 English PDF |
| GB 3883.6-2012 |
Safety of hand-held motor-operated electric tools - Part 2: Particular requirEMents for drills and impact drills 手持式电动工具的安全 第2部分：电钻和冲击电钻的专用要求 |
China National Standards EM |
English PDF |
| GB 3883.4-2012 |
Safety of hand-held motor-operated electric tools - Part 2: Particular requirEMents for sanders and polishers other than disk type 手持式电动工具的安全 第2部分：非盘式砂光机和抛光机的专用要求 |
China National Standards EM |
English PDF |
| GB 3883.2-2012 |
Safety of hand-held motor-operated electric tools - Part 2: Particular requirEMents for screwdrivers and impact wrenches 手持式电动工具的安全 第2部分：螺丝刀和冲击扳手的专用要求 |
China National Standards EM |
English PDF |
| GB 3883.21-2012 |
Safety of hand-held motor-operated electric tools - Part 2: Particular requirEMents for band saws 手持式电动工具的安全 第2部分：带锯的专用要求 |
China National Standards EM |
English PDF |
| GB 3883.20-2012 |
Safety of hand-held motor-operated electric tools - Part 2: Particular requirEMents for strapping tools 手持式电动工具的安全 第2部分：捆扎机的专用要求 |
China National Standards EM |
English PDF |
| GB 3883.19-2012 |
Safety of hand-held motor-operated electric tools - Part 2: Particular requirEMents for drain cleaners 手持式电动工具的安全 第2部分：管道疏通机的专用要求 |
China National Standards EM |
English PDF |
| GB 3883.12-2012 |
Safety of hand-held motor-operated electric tools - Part 2: Particular requirEMents for concrete vibrators 手持式电动工具的安全 第2部分：混凝土振动器的专用要求 |
China National Standards EM |
English PDF |
| GB 3883.11-2012 |
Safety of hand-held motor-operated electric tools - Part 2: Particular requirEMents for reciprocating saws(jig and sabre saws) 手持式电动工具的安全 第2部分：往复锯(曲线锯、刀锯)的专用要求 |
China National Standards EM |
English PDF |
| GB 28881-2012 |
Hand protection - Protective gloves against chEMicals and micro-organisms 手部防护 化学品及微生物防护手套 |
China National Standards EM |
English PDF |
| GB 19215.3-2012 |
Cable trunking and ducting systEMs for electrical installations - Part 2-2: Particular requirements - Cable trunking systems and cable ducting systems intended for underfloor and flushfloor installations 电气安装用电缆槽管系统 第2部分：特殊要求 第2节：安装在地板下和与地板齐平的电缆槽管系统 |
China National Standards EM |
English PDF |
| GB 17464-2012 |
Connecting devices - Electrical copper conductors - Safety requirEMents for screw-type and screwless-type clamping units - Part 1: General requirements and particular requirements for clamping units for conductors from 0.2 mm2 up to 35 mm2 (included) 连接器件 电气铜导线 螺纹型和无螺纹型夹紧件的安全要求 适用于0.2 mm2以上至35 mm2（包括）导线的夹紧件的通用要求和特殊要求 |
China National Standards EM |
English PDF |
| GB/T 28794-2012 |
Technical requirEMents of oily-water separation system fishing vessel 渔业船舶油污水分离系统技术要求 |
China National Standards EM |
English PDF |
| GB/T 28793-2012 |
Technical requirEMents of fuel saving for fishing vessel diesel engines 渔业船舶柴油机节油技术要求 |
China National Standards EM |
English PDF |
| GB/T 28790-2012 |
Technical requirEMents and measuring methods of fuel saving devices for diesel engines of fishing vessel 渔业船舶柴油机节油装置技术条件及检测方法 |
China National Standards EM |
English PDF |
| GB/T 7631.13-2012 |
Lubricants，industrial oils and related products(class L) - Classification - Part 13: Family A(Total loss systEMs) 润滑剂、工业用油和有关产品（L类）的分类 第13部分：A组（全损耗系统） |
China National Standards EM |
English PDF |
| GB/T 6075.2-2012 |
Mechanical vibration - Evaluation of machine vibration by measurEMents on non-rotating parts - Part 2: Land-based steam turbines and generators in excess of 50MW with normal operating speeds of 1500r/min，1800r/min，3000r/min and 3600r/min 机械振动 在非旋转部件上测量评价机器的振动 第2部分：50MW以上，额定转速1500 r/min、1800 r/min、3000 r/min、3600 r/min陆地安装的汽轮机和发电机 |
China National Standards EM |
English PDF |
| GB/T 6075.1-2012 |
Mechanical vibration - Evaluation of machine vibration by measurEMents on non-rotating parts - Part 1: General guidelines 机械振动 在非旋转部件上测量评价机器的振动 第1部分：总则 |
China National Standards EM |
English PDF |
| GB/T 4214.7-2012 |
Household and similar electrical appliances - Test code for determination of airborne acoustical noise - Particular requirEMents for tumble dryers 家用和类似用途电器噪声测试方法 滚筒式干衣机的特殊要求 |
China National Standards EM |
English PDF |
| GB/T 28910-2012 |
The measurEMent method of crude oil rheological properties 原油流变性测定方法 |
China National Standards EM |
English PDF |
| GB/T 28803-2012 |
Directives for risk managEMent of consumer products safety 消费品安全风险管理导则 |
China National Standards EM |
English PDF |
| GB/T 28802-2012 |
General technical requirEMents for jade carving 玉器雕琢通用技术要求 |
China National Standards EM |
English PDF |
| GB/T 28799.3-2012 |
Plastics piping systEMs for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 3: Fittings 冷热水用耐热聚乙烯（PE-RT）管道系统 第3部分：管件 |
China National Standards EM |
English PDF |
| GB/T 28799.2-2012 |
Plastics piping systEMs for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 2: Pipes 冷热水用耐热聚乙烯（PE-RT）管道系统 第2部分：管材 |
China National Standards EM |
English PDF |
| GB/T 28799.1-2012 |
Plastics piping systEMs for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 1: General 冷热水用耐热聚乙烯(PE-RT)管道系统 第1部分：总则 |
China National Standards EM |
English PDF |
| GB/T 28786-2012 |
Vacuum technology - Methods of bonding strength measurEMent for vacuum coating film - Measuring adhesion by tape test 真空技术 真空镀膜层结合强度测量方法 胶带粘贴法 |
China National Standards EM |
English PDF |
| GB/T 28784.3-2012 |
Mechanical vibration - MeasurEMent of vibration on ships - Part 3: Pre-installation vibration measurement of shipboard equipment 机械振动 船舶振动测量 第3部分：船上设备安装前的振动测量 |
China National Standards EM |
English PDF |
| GB/T 28782.2-2012 |
Hydraulic fluid power - MeasurEMent techniques - Part 2: Measurement of average steady-state pressure in a closed conduit 液压传动测量技术 第2部分：密闭回路中平均稳态压力的测量 |
China National Standards EM |
English PDF |
| GB/T 28777-2012 |
Process valve qualification procedure for the petrochEMical industry 石化工业用阀门的评定 |
China National Standards EM |
English PDF |
| GB/T 28766-2012 |
Natural gas - Performance evaluation for on-line analytical systEMs 天然气 在线分析系统性能评价 |
China National Standards EM |
English PDF |
| GB/T 27894.4-2012 |
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen,carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring systEM using two columns 天然气 在一定不确定度下用气相色谱法测定组成 第4部分：实验室和在线测量系统中用两根色谱柱测定氮、二氧化碳和C1至C5及C6+的烃类 |
China National Standards EM |
English PDF |
| GB/T 13441.4-2012 |
Mechanical vibration and shock - Evaluation of human exposure to whole-body vibration - Part 4: Guidelines for the evaluation of the effects of vibration and rotational motion on passenger and crew comfort in fixed-guideway transport systEMs 机械振动与冲击 人体暴露于全身振动的评价 第4部分：振动和旋转运动对固定导轨运输系统中的乘客及乘务员舒适影响的评价指南 |
China National Standards EM |
English PDF |
| GB/T 13346-2012 |
Metallic and other inorganic coatings - Electroplated coatings of cadmium with supplEMentary treatments on iron or steel 金属及其它无机覆盖层 钢铁上经过处理的镉电镀层 |
China National Standards EM |
English PDF |
| GB/T 11348.2-2012 |
Mechanical vibration - Evaluation of machines vibration by measurEMents on rotating shafts - Part 2: Land-based steam turbine - generators in excess of 50MW with normal operating speeds of 1500r/min，1800r/min，3000r/min and 3600r/min 机械振动 在旋转轴上测量评价机器的振动 第2部分：功率大于50MW,额定工作转速1500 r/min、1800 r/min、3000 r/min、3600 r/min陆地安装的汽轮机和发电机 |
China National Standards EM |
English PDF |
| GB/Z 28870-2012 |
Measuring methods for anti-EMI soft ferrite materials 抗电磁干扰软磁铁氧体材料的测量方法 |
China National Standards EM |
English PDF |
| GB/Z 28865-2012 |
Specification for anti-EMI soft ferrite materials 抗电磁干扰软磁铁氧体材料规范 |
China National Standards EM |
English PDF |
| GB/T 7826-2012 |
Analysis techniques for systEM reliability - Procedure for failure mode and effects analysis（FMEA） 系统可靠性分析技术 失效模式和影响分析（FMEA）程序 |
China National Standards EM |
English PDF |
| GB/T 6379.3-2012 |
Accuracy(trueness and precision) of measurEMent methods and results - Part 3：Intermediate measures of the precision of a standard measurement method 测量方法与结果的准确度(正确度与精密度) 第3部分：标准测量方法精密度的中间度量 |
China National Standards EM |
English PDF |
| GB/T 4937.4-2012 |
SEMiconductor devices - Mechanical and climatic test methods - Part 4: Damp heat, steady state, highly accelerated stress test (HAST) 半导体器件 机械和气候试验方法 第4部分：强加速稳态湿热试验（HAST） |
China National Standards EM |
English PDF |
| GB/T 4937.3-2012 |
SEMiconductor devices - Mechanical and climatic tests methods - Part 3: External visual examination 半导体器件 机械和气候试验方法 第3部分：外部目检 |
China National Standards EM |
English PDF |
| GB/T 28880-2012 |
Non-destructive testing - Evaluating performance characteristics of ultrasonic pulse-echo testing systEMs without the use of electronic measurement instruments 无损检测 不用电子测量仪器对脉冲反射式超声检测系统性能特性的评定 |
China National Standards EM |
English PDF |
| GB/T 28878.1-2012 |
Specification of the rotating component in space science experiments - Part 1：General requirEMents of design 空间科学实验转动部件规范 第1部分：设计总则 |
China National Standards EM |
English PDF |
| GB/T 28877-2012 |
General requirEMents for space science experiments 空间科学实验通用要求 |
China National Standards EM |
English PDF |
| GB/T 28876.1-2012 |
Flammability of materials in space experimental facilities - Part 1: RequirEMents 空间实验设备使用材料的可燃性 第1部分：要求 |
China National Standards EM |
English PDF |
| GB/T 28875-2012 |
Space science experiment - RequirEMent for biological samples 空间科学实验 生物样品要求 |
China National Standards EM |
English PDF |
| GB/T 28871-2012 |
Critical current measurEMent-DC critical current of Nb3Sn composite superconductors 铌三锡（Nb3Sn）复合超导体的直流临界电流测量 |
China National Standards EM |
English PDF |
| GB/T 28866-2012 |
Characteristic parameters of stand-alone photovoltaic(PV) systEMs 独立光伏（PV）系统的特性参数 |
China National Standards EM |
English PDF |
| GB/T 28857-2012 |
Direct-current linear variable differential transformer (DC-DC LVDT)displacEMent transducers 直流差动变压器式位移传感器 |
China National Standards EM |
English PDF |
| GB/T 28847.3-2012 |
Building automation and control systEMs - Part 3：Function 建筑自动化和控制系统 第3部分：功能 |
China National Standards EM |
English PDF |
| GB/T 28847.2-2012 |
Building automation and control systEMs - Part 2：Hardware 建筑自动化和控制系统 第2部分：硬件 |
China National Standards EM |
English PDF |
| GB/T 28847.1-2012 |
Building automation and control systEMs - Part 1：Summarize 建筑自动化和控制系统 第1部分：概述 |
China National Standards EM |
English PDF |
| GB/T 2828.1-2012 |
Sampling procedures for inspection by attributes - Part 1: Sampling schEMes indexed by acceptance quality limit (AQL) for lot-by-lot inspection 计数抽样检验程序 第1部分：按接收质量限(AQL)检索的逐批检验抽样计划 |
China National Standards EM |
English PDF |
| GB/T 26831.3-2012 |
Society energy metering for reading systEM specification - Part 3: Dedicated application layer 社区能源计量抄收系统规范 第3部分：专用应用层 |
China National Standards EM |
English PDF |
| GB/T 26831.2-2012 |
Society energy metering for reading systEM specification - Part 2: Physical and link layer 社区能源计量抄收系统规范 第2部分：物理层与链路层 |
China National Standards EM |
English PDF |
| GB/T 19114.44-2012 |
Industrial automation systEMs and integration - Industrial manufacturing management data - Part 44: Information modelling for shop floor data acquisition 工业自动化系统与集成 工业制造管理数据 第44部分：车间级数据采集的信息建模 |
China National Standards EM |
English PDF |
| GB/T 18216.5-2012 |
Electrical safety in low voltage distribution systEMs up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth 交流1000V和直流1500V以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第5部分：对地阻抗 |
China National Standards EM |
English PDF |
| GB/T 18216.4-2012 |
Electrical safety in low voltage distribution systEMs up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding 交流1000V和直流1500V以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第4部分：接地电阻和等电位接地电阻 |
China National Standards EM |
English PDF |
| GB/T 18216.3-2012 |
Electrical safety in low voltage distribution systEMs up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance 交流1000V和直流1500V以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第3部分：环路阻抗 |
China National Standards EM |
English PDF |
| GB/T 18216.2-2012 |
Electrical safety in low voltage distribution systEMs up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance 交流1000V和直流1500V以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第2部分：绝缘电阻 |
China National Standards EM |
English PDF |
| GB/T 18216.1-2012 |
Electrical safety in low voltage distribution systEMs up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements 交流1000V和直流1500V以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第1部分：通用要求 |
China National Standards EM |
English PDF |
| GB/T 15861-2012 |
General specification of ion beam etching systEM 离子束蚀刻机通用规范 |
China National Standards EM |
English PDF |
| GB/T 15566.11-2012 |
Guidance systEM for public information - Setting principles and requirement - Part 11: Vehicle parking lot 公共信息导向系统 设置原则与要求 第11部分：机动车停车场 |
China National Standards EM |
English PDF |
| GB/T 12859.2-2012 |
Piezoelectric ceramic resonators - A specification in the IEC quality assessment SystEM for electronic components (IECQ) - Part 2: Sectional specification-Qualification approval 电子元器件质量评定体系规范 压电陶瓷谐振器 第2部分：分规范- 鉴定批准 |
China National Standards EM |
English PDF |
| GB/T 12859.201-2012 |
Piezoelectric ceramic resonators - A specification in the quality assessment SystEM for electronic components - Part 2-1: Blank detail specification-Assessment level E 电子元器件质量评定体系规范 压电陶瓷谐振器 第2-1部分：空白详细规范-评定水平E |
China National Standards EM |
English PDF |
| GB/T 12859.1-2012 |
Piezoelectric ceramic resonators - A specification in the IEC quality assessment SystEM for electronic components(IECQ) - Part 1: Generic specification-Qualification approval 电子元器件质量评定体系规范 压电陶瓷谐振器 第1部分：总规范- 鉴定批准 |
China National Standards EM |
English PDF |
| GB/T 12273.501-2012 |
Quartz crystal units A specification in the quality assessment systEM for electronic components Part 5.1: Blank detail specification- qualification approval 石英晶体元件 电子元器件质量评定体系规范 第5.1部分：空白详细规范 鉴定批准 |
China National Standards EM |
English PDF |
| GB/T 12079-2012 |
MeasurEMents of the photoelectric properties for X-ray tubes X射线管光电性能测试方法 |
China National Standards EM |
English PDF |
| GB/T 15566.9-2012 |
Public information guidance systEM - Setting principles and requirements - Part 9: Tourist attraction 公共信息导向系统 设置原则与要求 第9部分：旅游景区 |
China National Standards EM |
English PDF |
| GB/Z 28828-2012 |
Information security technology - Guideline for personal information protection within information systEM for public and commercial services 信息安全技术 公共及商用服务信息系统个人信息保护指南 |
China National Standards EM |
English PDF |
| GB/T 8905-2012 |
The guide for managEMent and measuring SF6 gas in electrical equipment 六氟化硫电气设备中气体管理和检测导则 |
China National Standards EM |
English PDF |
| GB/T 28827.3-2012 |
Information technology service - Operations and maintenance - Part 3: EMergency response specification 信息技术服务 运行维护 第3部分：应急响应规范 |
China National Standards EM |
English PDF |
| GB/T 28827.1-2012 |
Information technology service - Operations and maintenance -Part 1: General requirEMents 信息技术服务 运行维护 第1部分：通用要求 |
China National Standards EM |
English PDF |
| GB/T 28826.1-2012 |
Information technology - Common biometric exchange formats framework - Part 1: Data elEMent specification 信息技术 公用生物特征识别交换格式框架 第1部分：数据元素规范 |
China National Standards EM |
English PDF |
| GB/T 28821-2012 |
Technical requirEMents of relational database management system 关系数据管理系统技术要求 |
China National Standards EM |
English PDF |
| GB/T 28815-2012 |
Specification for master station of real-time dynamics monitoring systEM for power systems 电力系统实时动态监测主站技术规范 |
China National Standards EM |
English PDF |
| GB/T 28809-2012 |
Railway applications - Communication, signaling and processing systEMs - Safety related electronic systems for signaling 轨道交通 通信、信号和处理系统 信号用安全相关电子系统 |
China National Standards EM |
English PDF |
| GB/T 28808-2012 |
Railway applications - Communication, signaling and processing systEMs - Software for railway control and protection systems 轨道交通 通信、信号和处理系统 控制和防护系统软件 |
China National Standards EM |
English PDF |
| GB/T 28807-2012 |
Railway applications - Compatibility between rolling stock and train detection systEMs 轨道交通 机车车辆和列车检测系统的兼容性 |
China National Standards EM |
English PDF |
| GB/T 28758-2012 |
Cranes - Competency requirEMents for crane inspectors 起重机 检查人员的资格要求 |
China National Standards EM |
English PDF |
| GB/T 28757-2012 |
Cranes other than mobile，tower and floating cranes and tower cranes - General requirEMents for stability 除流动式、塔式和浮式起重机以外的起重机 稳定性基本要求 |
China National Standards EM |
English PDF |
| GB/T 2820.11-2012 |
Reciprocating internal combustion engine driven alternating current generating sets - Part 11: Rotary uninterruptible power systEMs - Performance requirements and test methods 往复式内燃机驱动的交流发电机组 第11部分：旋转不间断电源 性能要求和试验方法 |
China National Standards EM |
English PDF |
| GB/T 18039.8-2012 |
Electromagnetic compatibility - Environment - Description of HEMP environment - Conducted disturbance 电磁兼容 环境 高空核电磁脉冲（HEMP）环境描述 传导骚扰 |
China National Standards EM |
English PDF |
| GB/T 17626.30-2012 |
Electromagnetic compatibility - Testing and measurEMent techniques - Power quality measurement methods 电磁兼容 试验和测量技术 电能质量测量方法 |
China National Standards EM |
English PDF |
| GB/T 17626.24-2012 |
Electromagnetic compatibility - Testing and measurEMent techniques - Test methods for protective devices for HEMP conducted disturbance 电磁兼容 试验和测量技术 HEMP传导骚扰保护装置的试验方法 |
China National Standards EM |
English PDF |
| GB/T 16571-2012 |
RequirEMents for security systems in museums and units of cultural heritage protection 博物馆和文物保护单位安全防范系统要求 |
China National Standards EM |
English PDF |
| GB/T 28750-2012 |
General technical rules for measurEMent and verification of energy savings 节能量测量和验证技术通则 |
China National Standards EM |
English PDF |
| GB/T 28748-2012 |
Metadata for gEMs and jewelry products 珠宝玉石饰品产品元数据 |
China National Standards EM |
English PDF |
| GB/T 28747-2012 |
General principles of stipulating assessment indicator systEM for product of resources recycling 资源循环利用产品评价指标体系编制通则 |
China National Standards EM |
English PDF |
| GB/T 28746-2012 |
Specification of storage tank of domestic solar water heating systEM 家用太阳能热水系统储水箱技术要求 |
China National Standards EM |
English PDF |
| GB/T 28745-2012 |
Test methods for storage tank of domestic solar water heating systEM 家用太阳能热水系统储水箱试验方法 |
China National Standards EM |
English PDF |
| GB/T 28744-2012 |
Statistical indicator systEM of waste-product recyclers 废弃产品回收处理企业统计指标体系 |
China National Standards EM |
English PDF |
| GB/T 28843-2012 |
ManagEMent requirement for traceability in food cold chain logistics 食品冷链物流追溯管理要求 |
China National Standards EM |
English PDF |
| GB/T 28837-2012 |
RequirEMent on services of quarantine treatments of wood packing material 木质包装检疫处理服务质量要求 |
China National Standards EM |
English PDF |
| GB/T 28836-2012 |
Credit evaluating index elEMents for international logistics enterprises 国际物流企业信用评价指标要素 |
China National Standards EM |
English PDF |
| GB/T 28835-2012 |
International logistics legal liability insurance - Basic elEMents of international freight forwarding legal liability insurance 国际物流责任保险 国际货运代理人责任险基本要素 |
China National Standards EM |
English PDF |
| GB/T 28834-2012 |
International logistics legal liability insurance - Basic elEMents of international freight forwarding B/L legal liability insurance 国际物流责任保险 国际货运代理提单责任险基本要素 |
China National Standards EM |
English PDF |
| GB/T 28829-2012 |
RequirEMents for supermarket classification 超市等级划分要求 |
China National Standards EM |
English PDF |
| GB/T 28221.4-2012 |
Basic public services for post-disaster transitional resettlEMent area - Part 4: Business 灾后过渡性安置区基本公共服务 第4部分：商业 |
China National Standards EM |
English PDF |
| GB/T 28923.5-2012 |
Mapping requirEMents for the natural disaster remote sensing thematic maps - Part 5: Relief and recovery assessment thematic maps 自然灾害遥感专题图产品制作要求 第5部分：救助与恢复重建评估专题图产品 |
China National Standards EM |
English PDF |
| GB/T 28923.4-2012 |
Mapping requirEMents for the natural disaster remote sensing thematic maps - Part 4: Loss assessment thematic maps 自然灾害遥感专题图产品制作要求 第4部分：损失评估专题图产品 |
China National Standards EM |
English PDF |
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