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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, Purchase services.
  •  China "YS" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
    GB/T 5839-1986 Rating sYStems for electronic tubes and semiconductor devices
    电子管和半导体器件额定值制

    YS-China National Standards

    GB/T 5881-1986 Sampling method of phYSical and chemical properties of ramie fiber
    苎麻理化性能试验取样方法

    YS-China National Standards

    GB/T 5889-1986 Method of quantitative analYSis of ramie chemical components
    苎麻化学成分定量分析方法

    YS-China National Standards

    GB/T 6429-1986 The rule of type designation for quartz crYStalunits
    石英谐振器型号命名方法

    YS-China National Standards

    GB/T 6430-1986 The rule of type designation for crYStal holders (enclosures)
    晶体盒型号命名方法

    YS-China National Standards

    GB/T 6598-1986 Determination of weight-average molecular weight of polYStyrene standards by low angle laser light scattering method
    小角激光光散射法测定聚苯乙烯标准样品的重均分子量

    YS-China National Standards

    GB/T 6627-1986 Designations for lumbered synthetic quartz crYStals
    人造石英晶体棒材型号命名方法

    YS-China National Standards

    GB/T 6662-1986 Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 1:Measurements common to sub-systems and simulated systems--Section three--Measurements in the intermediate-frequency range
    地面无线电接力系统所用设备的测量方法 第一部分:分系统和仿真系统通用的测量 第三节:中频范围的测量

    YS-China National Standards

    GB/T 6667-1986 Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2:Measurements for sub-systems--Section two:measurements in the antennas and passive repeaters
    地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第二节 天线和无源转向器的测量

    YS-China National Standards

    GB/T 6730.1-1986 Methods for chemical analYSis of iron ores--Preparation of predried test samples for chemical analysis
    铁矿石化学分析方法 分析用预干燥试样的制备

    YS-China National Standards

    GB/T 6766-1986 Radiochemical analYSis of strontium-90 in water--Extraction chromatography by di-(2-ethylhexyl) phosphori acid
    水中锶-90 放射化学分析方法 二-(2-乙基己基) 磷酸萃取色层法

    YS-China National Standards

    GB/T 6730.3-1986 Methods for chemical analYSis of iron ores--The gravimetric method for the determination of hygroscopic moisture content in analytical samples
    铁矿石化学分析方法 重量法测定分析试样中吸湿水量

    YS-China National Standards

    GB/T 6974.15-1986 Lifting appliances--Vocabulary--Underslung monorail sYStems
    起重机械名词术语 悬挂单轨系统

    YS-China National Standards

    GB/T 6730.48-1986 Methods for chemical analYSis of iron ores--The dithio diantipyryl methane photometric method for the determination of bismuth content
    铁矿石化学分析方法 二硫代二安替吡啉甲烷光度法测定铋量

    YS-China National Standards

    GB/T 6730.49-1986 Methods for chemical analYSis of iron ores--The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content
    铁矿石化学分析方法 原子吸收分光光度法测定钠和钾量

    YS-China National Standards

    GB/T 6730.50-1986 Methods for chemical analYSisof iron ores--The gas volumetric method for the determination of total carbon content
    铁矿石化学分析方法 气体容量法测定总碳量

    YS-China National Standards

    GB/T 6730.51-1986 Methods for chemical analYSis of iron ores--The caustic asbestos absorption gravimetric method for the determination of carbon content in carbonate
    铁矿石化学分析方法 烧碱石棉吸收重量法测定碳酸盐中碳量

    YS-China National Standards

    GB/T 6730.6-1986 Methods for chemical analYSis of iron ores--The ferric chloride-sodium acetate volumetric method for the determination of metallic iron content
    铁矿石化学分析方法 三氯化铁-乙酸钠容量法测定金属铁量

    YS-China National Standards

    GB/T 6730.7-1986 Methods for chemical analYSis of iron ores--The sulfosalicylic acid photometric method for the determination of metallic iron content
    铁矿石化学分析方法 磺基水杨酸光度法测定金属铁量

    YS-China National Standards

    GB/T 6764-1986 Radiochemical analYSis of strontium-90 in water--Precipitation by fuming nitric acid
    水中锶-90放射化学分析方法 发烟硝酸沉淀法

    YS-China National Standards


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