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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 8923.2-2008 |
Preparation of steel substrates before application of paints and related products-Visual assessment of surface cleanliness - Part 2: Preparation grades of praviously coated steel substrates after localized removal of previous coatings 涂覆涂料前钢材表面处理 表面清洁度的目视评定 第2部分: 已涂覆过的钢材表面局部清除原有涂层后的处理等级 |
China National Standards as |
 English PDF |
| GB/T 3511-2008 |
Rubber, vulcanized or thermoplastic - Resistance to weathering 硫化橡胶或热塑性橡胶 耐候性 |
China National Standards as |
English PDF |
| GB/T 21619-2008 |
Dangerous goods - Test method for flammable solids, which in contacting with water emit flammable gases 危险品 易燃固体遇水放出易燃气体试验方法 |
China National Standards as |
English PDF |
| GB/T 21615-2008 |
Dangerous goods - Test method for determination of closed cup flash point of flammable liquids 危险品 易燃液体闭杯闪点试验方法 |
China National Standards as |
English PDF |
| GB/T 21600-2008 |
Dangerous goods - Test method for gasproofness of packaging 危险品 包装气密试验方法 |
China National Standards as |
English PDF |
| GB/T 21541-2008 |
Chlorinated methanes for industrial use - Determination of purity - Gas chromatography 工业用氯代甲烷类产品纯度的测定 气相色谱法 |
China National Standards as |
English PDF |
| GB/T 21526-2008 |
Structural adhesives - Guidelines for the surface preparation of metals and plastics prior to adhesive bonding 结构胶粘剂 粘接前金属和塑料表面处理导则 |
China National Standards as |
English PDF |
| GB/T 18838.4-2008 |
Preparation of steel substrates before application of paints and related products-Specifications for metallic blast-cleaning abrasives - Part 4:Low-carbon cast-steel shot 涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第4部分: 低碳铸钢丸 |
China National Standards as |
English PDF |
| GB/T 18838.3-2008 |
Preparation of steel substrates before application of paints and related products-Specifications for metallic blast-cleaning abrasives - Part 3: High-carbon cast-steel shot and grit 涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第3部分: 高碳铸钢丸和砂 |
China National Standards as |
English PDF |
| GB/T 18570.12-2008 |
Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness - Part 12: Field method for the titrimetric determination of water-soluble ferrous ions 涂覆涂料前钢材表面处理 表面清洁度的评定试验 第12部分: 水溶性铁离子的现场滴定测定法 |
China National Standards as |
English PDF |
| GB/T 15456-2008 |
Industrial circulating cooling water - Determination of the chemical oxygen demand - Potassium permanganate method 工业循环冷却水中化学需氧量(COD)的测定 高锰酸钾法 |
China National Standards as |
English PDF |
| GB/T 14640-2008 |
Water used in industrial circulating cooling system and boiler - Determination of potassium and sodium 工业循环冷却水及锅炉用水中钾、钠含量的测定 |
China National Standards as |
English PDF |
| GB/T 13288.1-2008 |
Preparation of steel substrates before application of paints and related products-Surface roughness characteristics of blast-cleaned substrates - Part 1: Specifications and definitions for ISO surface profile comparators for the assessment of abrasive bl 涂覆涂料前钢材表面处理 喷射清理后的钢材表面粗糙度特性 第1部分: 用于评定喷射清理后钢材表面粗糙度的ISO表面粗糙度比较样块的技术要求和定义 |
China National Standards as |
English PDF |
| GB/T 12832-2008 |
Rubber-Determination of crystallization effects by hardness measurements 橡胶结晶效应的测定 硬度测量法 |
China National Standards as |
English PDF |
| GB/T 12737-2008 |
Chemical products for industrial use-General method for determination of traces of sulphur compounds, as sulphate, by reduction and titrimetry 工业用化工产品中以硫酸根表示的痕量硫化合物测定的通用方法 还原和滴定法 |
China National Standards as |
English PDF |
| GB/T 9043-2008 |
General technical requirements of gas discharge tubes for the over-voltage protection of telecommunications installations 通信设备过电压保护用气体放电管通用技术条件 |
China National Standards as |
English PDF |
| GB/T 7424.2-2008 |
Optical fibre cable generic specification - Part 2: Basic optical cable test procedures 光缆总规范 第2部分: 光缆基本试验方法 |
China National Standards as |
English PDF |
| GB/T 21548-2008 |
Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems 光通信用高速直接调制半导体激光器的测量方法 |
China National Standards as |
English PDF |
| GB/T 21546-2008 |
Critical current measurement - DC critical current of Nb-Ti composite superconductors 铌钛复合超导体的直流临界电流测量 |
China National Standards as |
English PDF |
| GB/T 15972.54-2008 |
Specifications for optical fibre test methods - Part 54: Measurement methods and test procedures for environmental characteristics - Gamma irradiation 光纤试验方法规范 第54部分：环境性能的测量方法和试验程序 伽玛辐照 |
China National Standards as |
English PDF |
| GB/T 15972.53-2008 |
Specifications for optical fibre test methods - Part 53: Measurement methods and test procedures for environmental characteristics - Water immersion 光纤试验方法规范 第53部分：环境性能的测量方法和试验程序 浸水 |
China National Standards as |
English PDF |
| GB/T 15972.52-2008 |
Specifications for optical fibre test methods - Part 52: Measurement methods and test procedures for environmental characteristics - Change of temperature 光纤试验方法规范 第52部分：环境性能的测量方法和试验程序 温度循环 |
China National Standards as |
English PDF |
| GB/T 15972.51-2008 |
Specifications for optical fibre test methods - Part 51: Measurement methods and test procedures for environmental characteristics - Dry heat 光纤试验方法规范 第51部分: 环境性能的测量方法和试验程序 干热 |
China National Standards as |
English PDF |
| GB/T 15972.49-2008 |
Specifications for optical fibre test methods - Part 49: Measurement methods and test procedures for transmission and optical characteristics - Differential mode delay 光纤试验方法规范 第49部分：传输特性和光学特性的测量方法和试验程序-微分模时延 |
China National Standards as |
English PDF |
| GB/T 15972.47-2008 |
Specifications for optical fibre test methods - Part 47: Measurement methods and test procedures for transmission and optical characteristics - Macrobending loss 光纤试验方法规范 第47部分：传输特性和光学特性的测量方法和试验程序 宏弯损耗 |
China National Standards as |
English PDF |
| GB/T 15972.46-2008 |
Specifications for optical fibre test methods - Part 46: Measurement methods and test procedures for transmission and optical characteristics - Monitoring of changes in optical transmittance 光纤试验方法规范 第46部分：传输特性和光学特性的测量方法和试验程序 透光率变化 |
China National Standards as |
English PDF |
| GB/T 15972.45-2008 |
Specifications for optical fibre test methods - Part 45: Measurement methods and test procedures for transmission and optical characteristics - Mode field diameter 光纤试验方法规范 第45部分：传输特性和光学特性的测量方法和试验程序 模场直径 |
China National Standards as |
English PDF |
| GB/T 15972.44-2008 |
Specifications for optical fibre test methods - Part 44: Measurement methods and test procedures for transmission and optical characteristics - Cut-off wavelength 光纤试验方法规范 第44部分：传输特性和光学特性的测量方法和试验程序 截止波长 |
China National Standards as |
English PDF |
| GB/T 15972.43-2008 |
Specifications for optical fibre test methods - Part 43: Measurement methods and test procedures for transmission and optical characteristics - Numerrical aperture 光纤试验方法规范 第43部分：传输特性和光学特性的测量方法和试验程序 数值孔径 |
China National Standards as |
English PDF |
| 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 as |
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 as |
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 as |
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 as |
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 as |
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 as |
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 as |
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 as |
English PDF |
| GB/Z 18620.2-2008 |
Cylindrical gears - Code of inspection practice - Part 2: Inspetion related to radial composite deviations,runout, tooth thickness and backlash 圆柱齿轮 检验实施规范 第2部分: 径向综合偏差、径向跳动、齿厚和侧隙的检验 |
China National Standards as |
English PDF |
| GB/T 985.3-2008 |
Recommended joint preparation for gas-shield arc welding on aluminium and its alloys 铝及铝合金气体保护焊的推荐坡口 |
China National Standards as |
English PDF |
| GB/T 985.1-2008 |
Recommended joint preparation for gas welding, manual metal arc welding, gas-shield arc welding and beam welding 气焊、焊条电弧焊、气体保护焊和高能束焊的推荐坡口 |
China National Standards as |
English PDF |
| GB/T 20975.7-2008 |
Methods for chemical analysis of aluminium and aluminium alloys - Part 7：Determination of manganese content Potassium periodate spectrophotometric method 铝及铝合金化学分析方法 第7部分: 锰含量的测定 高碘酸钾分光光度法 |
China National Standards as |
English PDF |
| GB/T 20975.23-2008 |
Methods for chemical analysis of aluminium and aluminium alloys - Part 23：Determination of antimony content Potassium iodide spectrophotometric method 铝及铝合金化学分析方法 第23部分：锑含量的测定 碘化钾分光光度法 |
China National Standards as |
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 as |
English PDF |
| GB/T 19867.2-2008 |
Welding procedure specification for gas welding 气焊焊接工艺规程 |
China National Standards as |
English PDF |
| GB/T 17473.7-2008 |
Test methods of precious metals pastes used for microelectronics - Determination of solderability and solderelaching resistance 微电子技术用贵金属浆料测试方法 可焊性、耐焊性测定 |
China National Standards as |
English PDF |
| GB/T 17473.6-2008 |
Test methods of precious metal pastes used for microelectronics - Determination of resolution 微电子技术用贵金属浆料测试方法 分辨率测定 |
China National Standards as |
English PDF |
| GB/T 17473.5-2008 |
Test methods of pastes used for microelectronics - Determination of viscosity 微电子技术用贵金属浆料测试方法 粘度测定 |
China National Standards as |
English PDF |
| GB/T 17473.4-2008 |
Test methods of precious metals pastes used for microelectronics - Determination of adhesion 微电子技术用贵金属浆料测试方法 附着力测定 |
China National Standards as |
English PDF |
| GB/T 17473.3-2008 |
Test methods of precious metals pastes used for microelectronics Determination of sheet resistance 微电子技术用贵金属浆料测试方法 方阻测定 |
China National Standards as |
English PDF |
| GB/T 17473.2-2008 |
Test methods of presious metals pastes used for microelectronics - Determination of fineness 微电子技术用贵金属浆料测试方法 细度测定 |
China National Standards as |
English PDF |
| GB/T 17473.1-2008 |
Test methods of precious metals pastes used for microelectronics-Determination of solids content 微电子技术用贵金属浆料测试方法 固体含量测定 |
China National Standards as |
English PDF |
| GB/T 17472-2008 |
Specification for pastes of precious metal used for microelectronics 微电子技术用贵金属浆料规范 |
China National Standards as |
English PDF |
| GB/T 15077-2008 |
Geometric size measuring methods of precious metals and their alloy materials 贵金属及其合金材料几何尺寸测量方法 |
China National Standards as |
English PDF |
| GB/T 15076.16-2008 |
Methods for chemical analysis of tantalum and niobium - Determination of sodium and potassium contents 钽铌化学分析方法 钠量和钾量的测定 |
China National Standards as |
English PDF |
| GB/T 15072.8-2008 |
Test method of precious metal alloys - Determination of copper content for gold, palladium and silver alloys - Complexometric return titration using thiourea releasing EDTA 贵金属合金化学分析方法 金、钯、银合金中铜量的测定 硫脲析出EDTA络合返滴定法 |
China National Standards as |
English PDF |
| GB/T 15072.7-2008 |
Test methods of precious metal alloys - Determination of chromium and iron contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中铬和铁量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards as |
English PDF |
| GB/T 15072.5-2008 |
Test method of precious metal alloys － Determination of silver content for gold and palladium alloys － Potentionmeter titration with potassium iodide 贵金属合金化学分析方法 金、钯合金中银量的测定 碘化钾电位滴定法 |
China National Standards as |
English PDF |
| GB/T 15072.3-2008 |
Test method of precious metal alloys - Determination of platinum content for gold, platinum and palladium alloys - Electricity titration using potassium permanganate 贵金属合金化学分析方法 金、铂、钯合金中铂量的测定 高锰酸钾电流滴定法 |
China National Standards as |
English PDF |
| GB/T 15072.19-2008 |
Test method of precious metal alloys - Determination of vanadium and magnesium contents for silver alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 银合金中钒和镁量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards as |
English PDF |
| GB/T 15072.18-2008 |
Test method of precious metal alloys - Determination of zirconium and gadolinium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中锆和镓量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards as |
English PDF |
| GB/T 15072.16-2008 |
Test method of precious metal alloys - Determination of copper and manganese contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中铜和锰量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards as |
English PDF |
| GB/T 15072.15-2008 |
Test method of precious metal alloys - Determination of nickel, zinc and manganese contents for gold, silver and palladium alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金、银、钯合金中镍、锌和锰量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards as |
English PDF |
| GB/T 15072.14-2008 |
Test method of precious metal alloys - Determination of aluminium and nickel contents for silver alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 银合金中铝和镍量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards as |
English PDF |
| GB/T 15072.13-2008 |
Test method of precious metal alloys - Determination of tin , cerium and lanthanium contents for silver alloys - Inductively coupled clasma atomic emission spectrometry 贵金属合金化学分析方法 银合金中锡、铈和镧量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards as |
English PDF |
| GB/T 15072.11-2008 |
Test method of precious metal alloys - Determination of gadolinium and beryllium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中钆和铍量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards as |
English PDF |
| GB/T 10119-2008 |
Determination of dezincification corrosion resistance of brass 黄铜耐脱锌腐蚀性能的测定 |
China National Standards as |
English PDF |
| GB 14762-2008 |
Limits and measurement methods for exhaust pollutants from gasoline engines of heavy-duty vehicles (III,IV) 重型车用汽油发动机与汽车排气污染物排放限值及测量方法(中国III、IV阶段) |
China National Standards as |
English PDF |
| GB 21554-2008 |
Self-ballasted electrodeless fluorescent lamps for general lighting services - Safety requirements 普通照明用自镇流无极荧光灯 安全要求 |
China National Standards as |
English PDF |
| GB 21549-2008 |
Laboratory glassware - Safe requirement of heat resisting glassware 实验室玻璃仪器 玻璃烧器的安全要求 |
China National Standards as |
English PDF |
| GB/T 16846-2008 |
Requirement for the declaration of the acoustic output of medical diagnostic ultrasonic equipment 医用超声诊断设备声输出公布要求 |
China National Standards as |
English PDF |
| GB 9706.9-2008 |
Medical electrical equipment - Part 2-37: Particular requirements for the safety of ultrasonic medical diagnostic and monitoring equipment 医用电气设备 第2-37部分：超声诊断和监护设备安全专用要求 |
China National Standards as |
English PDF |
| GB 9706.7-2008 |
Medical electrical equipment - Part 2-5: Particular requirements for the safety of ultrasonic physiotherapy equipment 医用电气设备 第2-5部分：超声理疗设备安全专用要求 |
China National Standards as |
English PDF |
| GB 4793.8-2008 |
Safety requirements for electrical equipment for measurement,control,and laboratory use - Part 2-042: Particular requirements for autoclaves and sterilizers using toxic gas for the treatment of medical materials,and for laboratory processes 测量、控制和试验室用电气设备的安全要求 第2-042部分：使用有毒气体处理医用材料及供试验室用的压力灭菌器和灭菌器的专用要求 |
China National Standards as |
English PDF |
| GB/T 4960.8-2008 |
Glossary of term: nuclear science and technology - Part 8：Radioactive waste management 核科学技术术语 第8部分：放射性废物管理 |
China National Standards as |
English PDF |
| GB/T 4833.2-2008 |
Multichannel analyzers - Part 2: Test methods as multichannel scalers 多道分析器 第2部分：作为多路定标器的试验方法 |
China National Standards as |
English PDF |
| GB/T 21560.6-2008 |
Low-voltage power supplies, d.c. output - Part 6: Requirements for low-voltage power supplies assessed performance 低压直流电源 第6部分：评定低压直流电源性能的要求 |
China National Standards as |
English PDF |
| GB/T 17680.11-2008 |
Criteria for emergency planning and preparedness for nuclear power plants - part 11: Criteria for the conduct of offsite radiological assessment for emergency response 核电厂应急计划与准备准则 第11部分：应急响应时的场外放射评价准则 |
China National Standards as |
English PDF |
| GB/T 4796-2008 |
Classification of environmental conditions of electric and electronic products - Part 1: Environmental parameters and their severities 电工电子产品环境条件分类 第1部分：环境参数及其严酷程度 |
China National Standards as |
English PDF |
| GB/T 4219.1-2008 |
Plastics piping system for industrial applications - Unplasticized poly(vinyl chloride)(PVC-U) - Specifications for components and the system - Part 1: Pipes 工业用硬聚氯乙烯(PVC-U)管道系统 第1部分：管材 |
China National Standards as |
English PDF |
| GB/T 21558-2008 |
Rigid polyurethane cellular plastics used in the thermal insulation of building 建筑绝热用硬质聚氨酯泡沫塑料 |
China National Standards as |
English PDF |
| GB/T 21557-2008 |
Waste paper － Estimation of stickies 废纸中胶粘物的测定 |
China National Standards as |
English PDF |
| GB/T 18663.1-2008 |
Mechanical structures for electronic equipment Tests for IEC 60917 and IEC 60297 - Part 1: Climatic, mechanical tests and safety aspects for cabinets, racks, subracks and chassis 电子设备机械结构 公制系列和英制系列的试验 第1部分: 机柜、机架、插箱和机箱的气候、机械试验及安全要求 |
China National Standards as |
English PDF |
| GB/T 17689-2008 |
Geosynthetics - Plastic geogrids 土工合成材料 塑料土工格栅 |
China National Standards as |
English PDF |
| GB/T 18981-2008 |
Fastener 射钉 |
China National Standards as |
English PDF |
| GB/T 21509-2008 |
Denitration equipment of coal-fired flue gas 燃煤烟气脱硝技术装备 |
China National Standards as |
English PDF |
| GB/T 21508-2008 |
Performance test method for coal-fired flue gas desulphurization equipment 燃煤烟气脱硫设备性能测试方法 |
China National Standards as |
English PDF |
| GB/T 19229.1-2008 |
Coal-fired flue gas desulphurization equipment - Part 1：coal-fired flue gas wet desulphurization equipment 燃煤烟气脱硫设备 第1部分：燃煤烟气湿法脱硫设备 |
China National Standards as |
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 as |
English PDF |
| GB/T 21497-2008 |
Animal and vegatable fats and oils - Flashpoint limit test using - Pensky-Martens closed cup flash tester 动植物油脂 定温闪燃测试 彭斯克-马丁闭口杯法 |
China National Standards as |
English PDF |
| GB/T 21487.1-2008 |
Rotating shaft vibration measuring systems - Part 1: Relative and absolute sensing of radial vibration 转轴振动测量系统 第1部分：径向振动的相对和绝对检测 |
China National Standards as |
English PDF |
| GB/T 4447-2008 |
Sea-going vessels-Windlasses and anchor capstans 海船用起锚机和起锚绞盘 |
China National Standards as |
English PDF |
| GB/T 21477-2008 |
Ships and marine technology - Fire resistance of hose assemblies - Test methods 船舶及海上技术 软管组件的耐火性能 试验方法 |
China National Standards as |
English PDF |
| GB/T 21476-2008 |
Ships and marine technology - Fire resistance of hose assemblies - Requirements for the test bench 船舶与海上技术 软管组件的耐火性能 试验台要求 |
China National Standards as |
English PDF |
| GB/T 16301-2008 |
Measurement and evaluation of vibration severity for marine engine-room auxiliaries 船舶机舱辅机振动烈度的测量和评价 |
China National Standards as |
English PDF |
| GB/T 14090-2008 |
Terminology for offshore oil and gas development engineering 海上油气开发工程术语 |
China National Standards as |
English PDF |
| GB/T 5612-2008 |
Code for representing cast iron 铸铁牌号表示方法 |
China National Standards as |
English PDF |
| GB/T 20485.1-2008 |
Methods for the calibration of vibration and shock transducers - Part 1: Basic concepts 振动与冲击传感器校准方法 第1部分: 基本概念 |
China National Standards as |
English PDF |
| GB/T 3632-2008 |
Sets of torshear type high strength bolt hexagon nut and plain washer for steel structures 钢结构用扭剪型高强度螺栓连接副 |
China National Standards as |
English PDF |
| GB/T 6060.3-2008 |
Surface roughness comparison specimen － Part 3：Spark-eroded，shot-blasted，grit-blasted，lapped，filed and polished surface 表面粗糙度比较样块 第3部分：电火花、抛（喷）丸、喷砂、研磨、锉、抛光加工表面 |
China National Standards as |
English PDF |
| GB/T 271-2008 |
Rolling bearings - Classification 滚动轴承 分类 |
China National Standards as |
English PDF |
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