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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.
  •  China "al" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 4086.2-1983 Tables for statistical distributions--χ2-distribution
    统计分布数值表 χ2分布
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    GB/T 4086.1-1983 Tables for statistical distributions--Normal distribution
    统计分布数值表 正态分布
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    GB/T 4016-1983 Petroleum products technical terminology
    石油产品名词术语
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    GB/T 597-1983 Marine bronze male thread lift check valves
    船用外螺纹青铜止回阀
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    GB/T 3971.3-1983 The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic switching network
    电话自动交换网多频记发器信号技术指标测试方法
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    GB 3971.2-1983 Interoffice junction digital line signalling system for telephone automatic switching network
    电话自动交换网局间中继数字型线路信号方式
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    GB/T 3996-1983 Shaped thermal insulating products--Diatomite bricks and shapes
    硅藻土隔热制品
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    GB/T 3974-1983 Telephone transmission interference allowances for long-distance high-capacity analogue microwave communication systems
    大容量长距离模拟微波通信干线电话传输干扰容限
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    GB/T 3925-1983 Acceptance inspection of class 2 alternatingcurrent watthour meters
    2.0级交流电度表的验收方法
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    GB/T 3911-1983 Graphical representations of the control characters of 7-bit coded character set for information processing
    信息处理用七位编码字符集控制字符的图形表示
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    GB/T 2900.46-1983 Electrotechnical terminology--Steam turbine and auxiliary equipments
    电工名词术语 汽轮机及其附属装置
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    GB/T 3895-1983 Graphical symbols for ships’ deck covering and insulation materials
    船舶甲板敷料和绝缘材料图形符号
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    GB/T 3873-1983 General specifications for products packaging of communication equipments
    通信设备产品包装通用技术条件
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    GB/T 3850-1983 Impermeable sintered metal materials and hardmetals--Determination of density
    致密烧结金属材料与硬质合金密度测定方法
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    GB/T 3849-1983 Hardmetals--Rockwell hardness (scaleA) test method
    硬质合金洛氏硬度 (A标尺) 试验方法
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    GB/T 3848-1983 Hardmetals--Determination of (the magnetization) coercivity
    硬质合金矫顽 (磁) 力测定方法
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    GB/T 3839-1983 Technological principle and methods for enactment of local water pollutant emission standard
    制订地方水污染物排放标准的技术原则与方法
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    GB/T 3793-1983 Descriptive rules for entries of retrieval periodicals
    检索期刊条目著录规则
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    GB/T 3771-1983 Conversion of hardness and strength for copper alloys
    铜合金硬度与强度换算值
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    GB/T 3714-1983 Technical requirements of manganese carbonate orepowder
    碳酸锰矿粉技术条件
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    GB/T 3668.12-1983 Modular units for machine tool construction--Floor-mounted type--Integral way columns--Dimensions
    组合机床通用部件 落地式有导轨立柱尺寸
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    GB/T 3668.11-1983 Modular units for machine tool construction--Integral way columns--Dimensions
    组合机床通用部件 有导轨立柱尺寸
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    GB/T 3654.9-1983 Methods for chemical analysisof ferroniobium--The thiocyanate photometric method for the determination of tungsten content
    铌铁化学分析方法 硫氰酸盐光度法测定钨量
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    GB/T 3654.5-1983 Methods for chemical analysis of ferroniobium--The molybdenum blue photometric method for the determination of the phosphorus content
    铌铁化学分析方法 钼蓝光度法测定磷量
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    GB/T 3654.4-1983 Methods for chemical analysis of ferroniobium--The combustion gravimetric method for the determination of carbon content
    铌铁化学分析方法 燃烧重量法测定碳量
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    GB/T 3654.3-1983 Methods for chemical analysis of ferroniobium--The gravimetric method for the determination of silicon content
    铌铁化学分析方法 重量法测定硅量
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    GB/T 3654.1-1983 Methods for chemical analysis of ferroniobium--The paper chromatograph-gravimetric method for the determination of niobium and tantalum content
    铌铁化学分析方法 纸上色层分离重量法测定铌、钽量
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    GB/T 3654.10-1983 Methods for chemical analysis of ferroniobium--The EDTA volumetric method for the determination of aluminium content
    铌铁化学分析方法 EDTA容量法测定铝量
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    GB/T 3653.5-1983 Methods for chemical analysis of ferroboron--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content
    硼铁化学分析方法 色层分离硫酸钡重量法测定硫量
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    GB/T 3653.2-1983 Methods for chemical analysis of ferroboron--The gasometric method for the determination of carbon content
    硼铁化学分析方法 气体容量法测定碳量
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    GB/T 3522-1983 Cold-rolled quality carbon structural steel strips
    优质碳素结构钢冷轧钢带
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    GB/T 3502-1983 Technical requirements of super fine palladium oxide powder
    超细氧化钯粉技术条件
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    GB/T 3501-1983 Technical requirements of super fine ruthenium dioxide hydrate powder
    超细水合二氧化钌粉技术条件
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    GB/T 3489-1983 Hardmetals--Metallographic determination of porosity and uncombined carbon
    硬质合金 孔隙度和非化合碳的金相测定
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    GB/T 3468-1983 General editorial rule for retrieval periodicals
    检索期刊编辑总则
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    GB/T 3455-1982 Electrical characteristics for unbalanced double-current interchange circuits
    非平衡双流接口电路的电特性
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    GB/T 3361-1982 Statistical interpretation of data--Comparison of two means in the case of paired observations
    数据的统计处理和解释 在成对观测值情形下两个均值的比较
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    GB/T 3399-1982 Test method for thermal conductivity of plastics by means of the guarded hot plate
    塑料导热系数试验方法 护热平板法
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    GB 3378-1982 Subscriber line signalling system for telephone automatic switching network
    电话自动交换网用户信号方式
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    GB 3377-1982 Multifrequency register signalling system for telephone automatic switching network
    电话自动交换网多频记发器信号方式
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    GB 3376-1982 Inband pulsing single frequencyline signalling system for telephone automatic switching network
    电话自动交换网带内单频脉冲线路信号方式
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    GB/T 3351-1982 Designations for synthetic quartz crystals
    人造石英晶体的型号命名
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    GB/T 3316-1982 Method of defining the nominal power for disel locomotives
    内燃机车功率确定方法
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    GB 3234-1982 Diagnostic criteria and principles of management of industrial fluorosis
    工业性氟病诊断标准及处理原则
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    GB 3233-1982 Diagnostic criteria and principles of management of occupational chronic carbon disulfide poisoning
    职业性慢性二硫化碳中毒诊断标准及处理原则
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    GB 3232-1982 Diagnostic criteria and principles of management of occupational chronic manganism
    职业性慢性锰中毒诊断标准及处理原则
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    GB/T 3145-1982 Benzene--Determination of crystallizing point
    苯结晶点测定法
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    GB/T 3143-1982 Colour determination method of liquid chemicals (Hazen unit--platinum-cobalt scale)
    液体化学产品颜色测定法 (Hazen单位--铂-钴色号)
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    GB/T 3142-1982 Lubricants--Determination of load-carrying capacity (four balls method)
    润滑剂承载能力测定法 (四球法)
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    GB/T 3240-1982 Preferred frequencies for the acoustical measurement
    声学测量中的常用频率
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    GB/T 3239-1982 Expression of physical and subjective magnitudes of sound and noise in air
    空气中声和噪声强弱的主观和客观表示法
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    GB/T 3238-1982 Acoustical levels and refrence quantities
    声学量的级及其基准值
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    GB/T 3106-1982 Bolts,screws and studs--Nominal lengths,and thread lengths for general purpose bolts
    螺栓、螺钉和螺柱的公称长度和普通螺栓的螺纹长度
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    GB/T 2880-1981 Hydraulic fluid power--Cylinder rod and piston seals for reciprocating applications--Dimensions andtolerances of housings--Narrow section series
    液压缸活塞和活塞杆 窄断面动密封沟槽尺寸系列和公差
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    GB/T 2789-1981 Technical requirements for network interface for the analogue microwave relay communication systems
    模拟微波接力通信系统网路接口基本技术要求
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    GB/T 2787-1981 Keyboard for international information processing interchange using the 7-bit coded character set--Alpha-numeric area
    信息处理交换用七位编码字符集键盘的字母数字区布局
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    GB/T 2689.4-1981 Life test and acceleration life test--Optimal linear deflection-free--Evaluation of Weibull distributions
    寿命试验和加速寿命试验的最好线性无偏估计法(用于威布尔分布)
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    GB/T 2689.3-1981 Life test and acceleration life test--Simple linear deflection-free--Evaluation ofWeibull distributions
    寿命试验和加速寿命试验的简单线性无偏估计法(用于威布尔分布)
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    GB/T 2689.2-1981 Life test and acceleration life test charts--Evaluation of their Weibull distributions
    寿命试验和加速寿命试验的图估计法 (用于威布尔分布)
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    GB/T 2689.1-1981 Constant stress life tests and acceleration life tests--General rules
    恒定应力寿命试验和加速寿命试验方法 总则
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    GB/T 384-1981 Determination of calorific value of petroleum products
    石油产品热值测定法
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    GB/T 2413-1980 Piezoelectric ceramic materials--Measuring methods for determination of volume density
    压电陶瓷材料体积密度测量方法
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    GB/T 2291-1980 Method for preparation of coal tar pitchs specimens
    煤沥青试验室试样的制备方法
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    GB/T 598-1980 Marine bronze external screwed packed cocks
    船用外螺纹青铜填料旋塞
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    GB/T 1765-1979 Method of producing of paint films for testing heat and humidity resistance,salt-fog resistance and accelerated weathering
    测定耐湿热、耐盐雾、耐侯性 (人工加速) 的漆膜制备法
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    GB/T 1584-1979 Standard for insertion test signal of domestic TV
    国内电视插入测试行信号标准
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    GB/T 1560-1979 Normal diameters for ventilation pipeline and accessories for ships metric series
    船用通风系统管路和附件的公称通径
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    GB/T 1417-1978 General terminology for telecommunications equipment
    常用电信设备名词术语
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    GB/T 513-1977 Determination of mechanical impuritiesin lubricating greases (acid decomposition method)
    润滑脂机械杂质测定法 (酸分解法)
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    GB/T 973-1976 Screws,cross recessed,oval head
    十字槽扁圆头螺钉
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    GB/T 305-2019 Rolling bearings-Snap ring grooves and snap rings for radial bearings-Dimensions,geometrical product specifications (GPS) and tolerance values
    滚动轴承 向心轴承止动槽和止动环 尺寸、产品几何技术规范(GPS)和公差值
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    GB/T 3323.2-2019 Non-destructive testing of welds—Radiographic testing—Part 2:X- and gamma-ray techniques with digital detectors
    焊缝无损检测 射线检测 第2部分:使用数字化探测器的X和伽玛射线技术
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