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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 15972.42-2008 |
Specifications for optical fibre test methods - Part 42: Measurement methods and test proCEDures for transmission and optical characteristics - Chromatic dispersion 光纤试验方法规范 第42部分：传输特性和光学特性的测量方法和试验程序 波长色散 |
China National Standards CED |
 English PDF |
| GB/T 15972.41-2008 |
Specifications for optical fibre test methods - Part 41: Measurement methods and test proCEDures for transmission and optical characteristics - Bandwidth 光纤试验方法规范 第41部分：传输特性和光学特性的测量方法和试验程序 带宽 |
China National Standards CED |
English PDF |
| GB/T 15972.34-2008 |
Specifications for optical fibre test methods - Part 34: Measurement methods and test proCEDures for mechanical characteristics - Fibre curl 光纤试验方法规范 第34部分：机械性能的测量方法和试验程序 光纤翘曲 |
China National Standards CED |
English PDF |
| GB/T 15972.33-2008 |
Specifications for optical fibres test methods - Part 33: Measurement methods and test proCEDures for mechanical characteristics - Stress corrosion susceptibility 光纤试验方法规范 第33部分：机械性能的测量方法和试验程序 应力腐蚀敏感性参数 |
China National Standards CED |
English PDF |
| GB/T 15972.32-2008 |
Specifications for optical fibre test methods - Part 32: Measurement methods and test proCEDures for mechanical characteristics - Coating strippability 光纤试验方法规范 第32部分：机械性能的测量方法和试验程序 涂覆层可剥性 |
China National Standards CED |
English PDF |
| GB/T 15972.31-2008 |
Specifications for optical fibre test methods - Part 31: Measurement methods and test proCEDures for mechanical characteristics - tensile strength 光纤试验方法规范 第31部分：机械性能的测量方法和试验程序 抗张强度 |
China National Standards CED |
English PDF |
| GB/T 15972.22-2008 |
Specifications for optical fibre test methods - Part 22: Measurement methods and test proCEDures for dimensions - Length measurement 光纤试验方法规范 第22部分：尺寸参数的测量方法和试验程序 长度 |
China National Standards CED |
English PDF |
| GB/T 15972.21-2008 |
Specifications for optical fibre test methods - Part 21: Measurement methods and test proCEDures for dimensions - Coating geometry 光纤试验方法规范 第21部分：尺寸参数的测量方法和试验程序 涂覆层几何参数 |
China National Standards CED |
English PDF |
| GB/T 19867.5-2008 |
Welding proCEDure specification for resistance welding 电阻焊焊接工艺规程 |
China National Standards CED |
English PDF |
| GB/T 19867.4-2008 |
Welding proCEDure specification for laser beam welding 激光焊接工艺规程 |
China National Standards CED |
English PDF |
| GB/T 19867.3-2008 |
Welding proCEDure specification for electron beam welding 电子束焊接工艺规程 |
China National Standards CED |
English PDF |
| GB/T 19867.2-2008 |
Welding proCEDure specification for gas welding 气焊焊接工艺规程 |
China National Standards CED |
English PDF |
| GB/T 21492-2008 |
Glass fiber reinforCED plastics jacking pipe 玻璃纤维增强塑料顶管 |
China National Standards CED |
English PDF |
| GB/T 21466.2-2008 |
Hydrodynamic plain journal bearings under steady-state conditions - Circular cylindrical bearings - Part 2: Functions used in the calculation proCEDure 稳态条件下流体动压径向滑动轴承 圆形滑动轴承 第2部分：计算过程中所用函数 |
China National Standards CED |
English PDF |
| GB/T 21466.1-2008 |
Hydrodynamic plain journal bearings under steady-state conditions - Circular cylindrical bearings -- Part 1: Calculation proCEDure 稳态条件下流体动压径向滑动轴承 圆柱滑动轴承 第1部分：计算过程 |
China National Standards CED |
English PDF |
| GB/T 21462-2008 |
Evaluation proCEDure of Chloroprene Rubber(CR) 氯丁二烯橡胶（CR） 评价方法 |
China National Standards CED |
English PDF |
| GB/T 21336-2008 |
Geographic information - Quality evaluation proCEDures 地理信息 质量评价过程 |
China National Standards CED |
English PDF |
| GB/T 21335-2008 |
ReduCED Space Symbology(RSS) bar code RSS条码 |
China National Standards CED |
English PDF |
| GB/T 21267-2007 |
Petroleum and natural gas industries - ProCEDures for testing casing and tubing connections 石油天然气工业 套管及油管螺纹连接试验程序 |
China National Standards CED |
English PDF |
| GB/T 13871.4-2007 |
Rotary shaft lip type seals incorporating elastomeric sealing elements - Part 4：Performance test proCEDures 密封元件为弹性体材料的旋转轴唇形密封圈 第4部分：性能试验程序 |
China National Standards CED |
English PDF |
| GB/T 311.3-2007 |
Insulation coordination - Part 3：ProCEDures for high-voltage direct current(HVDC) converter stations 绝缘配合 第3部分：高压直流换流站绝缘配合程序 |
China National Standards CED |
English PDF |
| GB/T 17948.6-2007 |
Rotating electrical machine - Functional evaluation of insulation systems - Test proCEDures for form-wound windings - Evaluation of thermomechanical endurance of insulation systems 旋转电机绝缘结构功能性评定 成型绕组试验规程 绝缘结构热机械耐久性评定 |
China National Standards CED |
English PDF |
| GB/T 17948.5-2007 |
Rotating electrical machines - Functional evaluation of insulation systems - Test proCEDures for form-wound windings - Multifactor functinal evaluation - Endurance under combined thermal and electrical stresses of insulation system used in machines up to 旋转电机绝缘结构功能性评定 成型绕组试验规程 多因子功能性评定 50MVA、15kV及以下电机绝缘结构热、电综合应力耐久性 |
China National Standards CED |
English PDF |
| GB/T 1186-2007 |
Rubber hoses,textile-reinforCED,for compressed air-Specification 压缩空气用织物增强橡胶软管 |
China National Standards CED |
English PDF |
| GB 21178-2007 |
Chassification proCEDure for self-reactive substances and organic peroxides 自反应物质和有机过氧化物分类程序 |
China National Standards CED |
English PDF |
| GB 21175-2007 |
ProCEDure of classification for hazardous products 危险货物分类定级基本程序 |
China National Standards CED |
English PDF |
| GB/T 21163.2-2007 |
Agricultural grain driers - Determination of drying performance - Part 2: Additional proCEDures and crop - specific requirements 农业谷物干燥机 干燥性能的测定 第2部分:附加测定规程和特定谷物要求 |
China National Standards CED |
English PDF |
| GB/T 21160-2007 |
Agricultural trailers - BalanCED and semi-mounted trailers - Determination of payload, vertical static load and axle load 农用挂车 全挂车和半挂车有效载荷、垂直静态载荷和轴载荷的测定 |
China National Standards CED |
English PDF |
| GB/T 21152-2007 |
Earth-moving machinery - Braking systems of rubber-tyred machines - Systems and performance requirements and test proCEDures 土方机械 轮胎式机器 制动系统的性能要求和试验方法 |
China National Standards CED |
English PDF |
| GB/T 21239-2007 |
Test method for compression after impact properties of fiber reinforCED plastic laminates 纤维增强塑料层合板冲击后压缩性能试验方法 |
China National Standards CED |
English PDF |
| GB/T 21238-2007 |
Glass fiber reinforCED plastics mortar pipes 玻璃纤维增强塑料夹砂管 |
China National Standards CED |
English PDF |
| GB/Z 6113.403-2007 |
Specification for radio disturbance and immunity measuring apparatus and methods - Part 4-3：Uncertainties,statistics and limit modelling - Statistical considerations in the determination of EMC compliance of mass-produCED 无线电骚扰和抗扰度测量设备和测量方法规范 第4-3部分：不确定度、统计学和限值建模 批量产品的EMC符合性确定的统计考虑 |
China National Standards CED |
English PDF |
| GB 21075-2007 |
Reservoir-induCED earthquake hazard assessment 水库诱发地震危险性评价 |
China National Standards CED |
English PDF |
| GB/T 21066-2007 |
Electrical installations of ships and mobile and fixed offshore units - ProCEDures for calculating short-circuit currents in three phase a.c. 船舶和移动式及固定式近海设施的电气装置 三相交流短路电流计算方法 |
China National Standards CED |
English PDF |
| GB/T 18311.31-2007 |
Fibre optic interconnecting devices and passive components - Basic test and measurement proCEDures - Part 3-31: Examinations and measurements - Coupled power ratio measurement for fibre optic sources 纤维光学互连器件和无源器件 基本试验和测量程序 第3-31部分：检查和测量 纤维光学光源耦合功率比测量 |
China National Standards CED |
English PDF |
| GB/T 18311.30-2007 |
Fibre optic interconnecting devices and passive components - Basic test and measurement proCEDures - Part 3-30: Examinations and measurements - Polish angle and fibre position on single ferrule multifibre connectors 纤维光学互连器件和无源器件 基本试验和测量程序 第3-30部分：检查和测量 单套管多芯光纤连接器抛光角度和光纤位置 |
China National Standards CED |
English PDF |
| GB/T 18311.28-2007 |
Fibre optic interconnecting devices and passive components - Basic test and measurement proCEDures - Part 3-28: Examinations and measurements - Transient loss 纤维光学互连器件和无源器件 基本试验和测量程序 第3-28部分: 检查和测量 瞬间损耗 |
China National Standards CED |
English PDF |
| GB/T 18311.26-2007 |
Fibre optic interconnecting devices and passive components - Basic test and measurement proCEDures Part 3-26: Examinations and measurements - Measurement of the angular misalignment between fibre and ferrule axes 纤维光学互连器件和无源器件 基本试验和测量程序 第3-26部分：检查和测量 光纤和插针轴线间的角偏差的测量 |
China National Standards CED |
English PDF |
| GB/T 18311.20-2007 |
Fibre optic interconnecting devices and passive components - Basic test and measurement proCEDures - Part 3-20: Examinations and measurements - Directivity of fibre optic branching devices 纤维光学互连器件和无源器件 基本试验和测量程序 第3-20部分：检查和测量 纤维光学分路器件的方向性 |
China National Standards CED |
English PDF |
| GB/T 18311.16-2007 |
Fibre optic interconnecting devices and passive components - Basic test and measurement proCEDures - Part 3-16: Examinations and measurements - Endface radius of spherically polished ferrules 纤维光学互连器件和无源器件 基本试验和测量程序 第3-16部分：检查和测量 球面抛光套管端面半径 |
China National Standards CED |
English PDF |
| GB/T 18310.48-2007 |
Fibre optic interconnecting devices and passive components - Basic test and measurement proCEDures - Part 2-48: Tests - Temperature-humidity cycling 纤维光学互连器件和无源器件 基本试验和测量程序 第2-48部分：试验 温度湿度循环 |
China National Standards CED |
English PDF |
| GB 20890-2007 |
Test proCEDures and requirement of durability of emission control systems for heavy-duty vehicles 重型汽车排气污染物排放控制系统耐久性要求及试验方法 |
China National Standards CED |
English PDF |
| GB/T 11213.4-2006 |
Sodium hydroxide for chemical fiber use - Determination of silicon content - ReduCED molybdosilicate spectrophotometric method 化纤用氢氧化钠 硅含量的测定 还原硅钼酸盐分光光度法 |
China National Standards CED |
English PDF |
| GB/T 5169.10-2006 |
Fire hazard testing for electric and electronic products - Part 10: Glow/hot-wire based test methods - Glow-wire apparatus and common test proCEDure 电工电子产品着火危险试验 第10部分：灼热丝/热丝基本试验方法 灼热丝装置和通用试验方法 |
China National Standards CED |
English PDF |
| GB/T 20608-2006 |
Intelligent transportation systems - Adaptive cruise control systems -Performance requirements and test proCEDures 智能运输系统 自适应巡航控制系统 性能要求与检测方法 |
China National Standards CED |
English PDF |
| GB/T 20565-2006 |
Iron ores and direct reduCED iron - Vocabulary 铁矿石和直接还原铁 术语 |
China National Standards CED |
English PDF |
| GB/T 6495.7-2006 |
Photovoltaic devices - Part 7: Computation of spectral mismatch error introduCED in the testing of a photovoltaic device 光伏器件 第7部分：光伏器件测量过程中引起的光谱失配误差的计算 |
China National Standards CED |
English PDF |
| GB/T 20514-2006 |
Photovoltaic systems - Power conditioners - ProCEDure for measuring efficiency 光伏系统功率调节器效率测量程序 |
China National Standards CED |
English PDF |
| GB/T 20544-2006 |
Banking - ProCEDures for message encipherment (wholesale) - General principles 银行业务 报文加密程序(批发) 一般原则 |
China National Standards CED |
English PDF |
| GB/T 20538.6-2006 |
Electronic business eXtensible Markup Language（ebXML）business data and process - Part 6: Organizations and proCEDures for technical assessment 基于XML的电子商务业务数据和过程 第6部分：技术评审组织和程序 |
China National Standards CED |
English PDF |
| GB/T 2941-2006 |
Rubber - General proCEDures for preparing and conditioning test pieces for physical test methods 橡胶物理试验方法试样制备和调节通用程序 |
China National Standards CED |
English PDF |
| GB/T 1040.4-2006 |
Plastics - Determination of tensile properties - Part 4: Test conditions for isotropic and orthotropic fibre-reinforCED plastic composites 塑料 拉伸性能的测定 第4部分：各向同性和正交各向异性纤维增强复合材料的试验条件 |
China National Standards CED |
English PDF |
| GB/T 3222.1-2006 |
Acoustics―Description, measurement and assessment of environmental noise―Part 1：Basic quantities and assessment proCEDures 声学 环境噪声的描述、测量与评价 第1部分：基本参量与评价方法 |
China National Standards CED |
English PDF |
| GB/T 20430-2006 |
Acoustics―Noise control design proCEDures for open plant 声学 开放式工厂的噪声控制设计规程 |
China National Standards CED |
English PDF |
| GB/T 16752-2006 |
Test methods of concrete and reinforCED concrete drainage and sewer pipes 混凝土和钢筋混凝土排水管试验方法 |
China National Standards CED |
English PDF |
| GB/T 13213-2006 |
Canned pork minCED 猪肉糜类罐头 |
China National Standards CED |
English PDF |
| GB/T 11070-2006 |
ReduCED germanium ingot 还原锗锭 |
China National Standards CED |
English PDF |
| GB/T 15106-2006 |
Log of sliCED veneer 刨切单板用原木 |
China National Standards CED |
English PDF |
| GB/T 13010-2006 |
SliCED veneer 刨切单板 |
China National Standards CED |
English PDF |
| GB/T 20242-2006 |
Acoustics - ProCEDures for the measurement of real-ear acoustical characteristics of hearing aids 声学 助听器真耳声特性的测量方法 |
China National Standards CED |
English PDF |
| GB/T 17739.5-2006 |
Microfilming of technical drawings and technical documents - Part 5: Test proCEDures for diazo duplicating of microfilm images in aperture cards 技术图样与技术文件的缩微摄影 第5部分：开窗卡中缩微影像重氮复制的检验程序 |
China National Standards CED |
English PDF |
| GB/T 6038-2006 |
Rubber test mixes―Preparation，mixing and vulcanization―Equipment and proCEDures 橡胶试验胶料 配料、混炼和硫化设备及操作程序 |
China National Standards CED |
English PDF |
| GB/T 20217-2006 |
ProCEDures for ensuring the cleanliness of industrial-process measurement and control equipment in oxygen service 保证氧用工业过程测量和控制装置清洁度的程序 |
China National Standards CED |
English PDF |
| GB/T 17948.4-2006 |
Functional evaluation of insulation systems for rotating electrical machines - Test proCEDures for form-wound windings - Electrical evaluation of insulation sysyems used in machines up to and including 50MVA and 15kV 旋转电机绝缘结构功能性评定 成型绕组试验规程 50MVA、15kV及以下电机绝缘结构电评定 |
China National Standards CED |
English PDF |
| GB/T 17273-2006 |
Freight containers - Container equipment data exchange (CEDEX) - General communication codes 集装箱 设备数据交换（CEDEX）一般通信代码 |
China National Standards CED |
English PDF |
| GB/T 15819-2006 |
Polyethylene (PE) pipes for irrigation laterals - Susceptibility to envionmental stress cracking induCED by insert-type fittings - Test method and specification 灌溉用聚乙烯(PE)管材由插入式管件引起环境应力开裂敏感性的试验方法和技术要求 |
China National Standards CED |
English PDF |
| GB/T 20143-2006 |
ProCEDure for use in the preparation of maximum lamp outlines 灯最大外形尺寸图的制定程序 |
China National Standards CED |
English PDF |
| GB/T 8650-2006 |
Evaluation of pipeline and pressure vessel steels for resistance to hydrogen-induCED cracking 管线钢和压力容器钢抗氢致开裂评定方法 |
China National Standards CED |
English PDF |
| GB/T 10263-2006 |
Environmental conditions and test proCEDures for nuclear radiation detectors 核辐射探测器环境条件与试验方法 |
China National Standards CED |
English PDF |
| GB/T 8489-2006 |
Test method for compressive strength of fine ceramics (advanCED ceramics, advanced technical ceramics) 精细陶瓷压缩强度试验方法 |
China National Standards CED |
English PDF |
| GB/T 6569-2006 |
Fine ceramics (advanCED ceramics, advanced technical ceramics) - Test method for flexural strength of monolithic ceramics at room temperature 精细陶瓷弯曲强度试验方法 |
China National Standards CED |
English PDF |
| GB/T 20117-2006 |
Fine ceramics (advanCED ceramics, advanced technical ceramics) - Sample preparation for the determination of particle size distribution of ceramic powders 精细陶瓷粉体颗粒尺寸分布测试用样品的制备 |
China National Standards CED |
English PDF |
| GB/T 10700-2006 |
Test methods for elastic moduli of fine ceramics (advanCED ceramics, advanced technical ceramics) - Bending method 精细陶瓷弹性模量试验方法 弯曲法 |
China National Standards CED |
English PDF |
| GB/T 17948.3-2006 |
Functional evaluation of insulation systems for rotating electrical machines - Test proCEDures for form-wound windings - Thermal evaluation and classification of insulation sysyems used in machines up to and including 50MVA and 15kV 旋转电机绝缘结构功能性评定 成型绕组试验规程 50MVA、15kV及以下电机绝缘结构热评定和分级 |
China National Standards CED |
English PDF |
| GB/T 17948.2-2006 |
Functional evaluation of insulation systems for rotating electrical machines - Test proCEDures for wire-wound windings - Classification of changes and insulation component substitutions 旋转电机绝缘结构功能性评定 散绕绕组试验规程 变更和绝缘组分替代的分级 |
China National Standards CED |
English PDF |
| GB/T 3871.9-2006 |
Agricultural tractors - Test proCEDures - Part 9: Power tests for drawbar 农业拖拉机 试验规程 第9部分：牵引功率试验 |
China National Standards CED |
English PDF |
| GB/T 3871.8-2006 |
Agricultural tractors - Test proCEDures - Part 8: Noise measurement 农业拖拉机 试验规程 第8部分：噪声测量 |
China National Standards CED |
English PDF |
| GB/T 3871.7-2006 |
Agricultural tractors - Test proCEDures - Part 7: Operator’s field of vision 农业拖拉机 试验规程 第7部分：驾驶员的视野 |
China National Standards CED |
English PDF |
| GB/T 3871.6-2006 |
Agricultural tractors - Test proCEDures - Part 6: Determination of braking performance 农业拖拉机 试验规程 第6部分：农林车辆制动性能的确定 |
China National Standards CED |
English PDF |
| GB/T 3871.5-2006 |
Agricultural tractors - Test proCEDures - Part 5: Turning and clearance diameters 农业拖拉机 试验规程 第5部分：转向圆和通过圆直径 |
China National Standards CED |
English PDF |
| GB/T 3871.4-2006 |
Agricultural tractors - Test proCEDures - Part 4: Rear three-point linkage lifting capacity 农业拖拉机 试验规程 第4部分：后置三点悬挂装置提升能力 |
China National Standards CED |
English PDF |
| GB/T 3871.3-2006 |
Agricultural tractors - Test proCEDures Part 3: Power tests for power take-off 农业拖拉机 试验规程 第3部分：动力输出轴功率试验 |
China National Standards CED |
English PDF |
| GB/T 3871.2-2006 |
Agricultural tractors - Test proCEDures - Part 2: Measurements of tractor parameters 农业拖拉机 试验规程 第2部分：整机参数测量 |
China National Standards CED |
English PDF |
| GB/T 3871.19-2006 |
Agricultural tractors - Test proCEDures - Part 19: Steering capability of wheeled tractor 农业拖拉机 试验规程 第19部分：轮式拖拉机转向性能 |
China National Standards CED |
English PDF |
| GB/T 3871.18-2006 |
Agricultural tractors - Test proCEDures - Part 18: Hydraulic power at tractor/implement interface 农业拖拉机 试验规程 第18部分：拖拉机与机具接口处液压功率 |
China National Standards CED |
English PDF |
| GB/T 3871.17-2006 |
Agricultural tractors - Test proCEDures - Part 17: Engine air cleaner 农业拖拉机 试验规程 第17部分：发动机空气滤清器 |
China National Standards CED |
English PDF |
| GB/T 3871.16-2006 |
Agricultural tractors - Test proCEDures - Part 16: Axle power determination 农业拖拉机 试验规程 第16部分：轴功率测定 |
China National Standards CED |
English PDF |
| GB/T 3871.15-2006 |
Agricultural tractors - Test proCEDures - Part 15: Centre of gravity 农业拖拉机 试验规程 第15部分：质心 |
China National Standards CED |
English PDF |
| GB/T 3871.14-2006 |
Agricultural tractors - Test proCEDures - Part 14: Partial power PTO - Non-mechanically transmitted power 农业拖拉机 试验规程 第14部分：非机械式传输的部分功率输出动力输出轴 |
China National Standards CED |
English PDF |
| GB/T 3871.13-2006 |
Agricultural tractors - Test proCEDures - Part 13: Measurement of exhaust smoke 农业拖拉机 试验规程 第13部分：排气烟度测量 |
China National Standards CED |
English PDF |
| GB/T 3871.1-2006 |
Agricultural tractors - Test proCEDures - Part 1: General requirements 农业拖拉机 试验规程 第1部分：通用要求 |
China National Standards CED |
English PDF |
| GB/T 3871.10-2006 |
Agricultural tractors - Test proCEDures - Part 10: Low temperature starting 农业拖拉机 试验规程 第10部分：低温起动 |
China National Standards CED |
English PDF |
| GB/T 20099-2006 |
Sample preparation - Dispersing proCEDures for powders in liquids 样品制备-粉末在液体中的分散方法 |
China National Standards CED |
English PDF |
| GB/T 12609-2005 |
Electrodeposited metallic coatings and related finishes -- Sampling proCEDures for inspection by attributes 电沉积金属覆盖层和相关精饰 计数检验抽样程序 |
China National Standards CED |
English PDF |
| GB/T 19915.1-2005 |
ProCEDure of plate and tube agglutination for antibody against Streptococcus suis Type2 猪链球菌2型平板和试管凝集试验操作规程 |
China National Standards CED |
English PDF |
| GB/T 3871.12-2005 |
Agricultural Tractors-Test proCEDures-Part 12:Working Tests 农业拖拉机 试验规程 第12部分 使用试验 |
China National Standards CED |
English PDF |
| GB/T 3871.11-2005 |
Agricultural tractors-Test proCEDures-Part 11:Suitability tests for hot atmosphere 农业拖拉机 试验规程 第11部分：高温性能试验 |
China National Standards CED |
English PDF |
| GB/T 19936.1-2005 |
Gears-FZG test proCEDures-Part1:FZG test method A/8.3/90 for relative scuffing load-carrying capacity of oils 齿轮 FZG 试验程序 第1部分：油品的相对胶合承载能力 FZG 试验方法 A/8.3/90 |
China National Standards CED |
English PDF |
| GB/T 19897.3-2005 |
Automatic Meter Reading System Lower Layer Communication Protocol Part 3:Physical layer services and proCEDures for connection oriented asynchronous data exchange 自动抄表系统低层通信协议 第3部分：面向连接的异步数据交换的物理层服务进程 |
China National Standards CED |
English PDF |
| GB/T 17213.9-2005 |
Industrial-process control valves Part 2-3:Flow capacity-Test proCEDures 工业过程控制阀 第2-3部分：流通能力 试验程序 |
China National Standards CED |
English PDF |
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