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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 4958.11-1988 Methods of measurement for aquipment used in terrestrial radio-relay sYStems--Part 3:Simulated systems--Section three--Measurements for mono-chrome and colour television transmission
    地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第三节 黑白和彩色电视传输的测量

    YS-China National Standards

    GB/T 4958.10-1988 Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 3:Simulated systems--Section one--General
    地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第一节 通则

    YS-China National Standards

    GB/T 4958.13-1988 Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 3:Simulated systems--Section five--Measurement of mutual inter-ference
    地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第五节 相互干扰的测量

    YS-China National Standards

    GB/T 4958.4-1988 Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2:Measurements for sub-systems--Section one--General
    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 第一节 通则

    YS-China National Standards

    GB/T 7729-1987 Chemical analYSis of metallurgical products--General rule for spectrophotometric methods
    冶金产品化学分析 分光光度法通则

    YS-China National Standards

    SJ/Z 9136-1987 Radio receivers, audio sYStems and their accessories

    YS-China Electronics Standards

    SJ/Z 9121-1987 Optical reflective videodisk sYStem "Laser television" for 50Hz/625 lines-PAL

    YS-China Electronics Standards

    GB/T 7829-1987 Procedure for fault tree analYSis
    故障树分析程序

    YS-China National Standards

    YD 322-1987 (Over 12 road open wire carrier sYStems and equipment technical requirements)

    YS-China Telecommunication Standards

    SJ/Z 9131-1987 Label and tag sYStem

    YS-China Electronics Standards

    GB/T 7731.5-1987 Methods for chemical analYSis of ferrotungsten--The molybdenum blue photometric method for the determination of silicon content
    钨铁化学分析方法 钼蓝光度法测定硅量

    YS-China National Standards

    GB/T 7731.4-1987 Methods for chemical analYSis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content
    钨铁化学分析方法 钼蓝光度法测定磷量

    YS-China National Standards

    GB/T 7731.1-1987 Methods for chemical analYSis of ferrotungsten--The cinchonine gravimetric method for the determination of tungsten content
    钨铁化学分析方法 辛可宁重量法测定钨量

    YS-China National Standards

    GB/T 7488-1987 Water quality--Determination of biochemical oxygen demand after 5 daYS(BOD5)--Dilution and seeding method
    水质 五日生化需氧量(BOD5)的测定 稀释与接种法

    YS-China National Standards

    SJ/Z 9140.2-1987 Sound sYStem equipment. Part 6: Auxiliary passive elements

    YS-China Electronics Standards

    GB/T 7399-1987 Helical-scan video tape cassette sYStem using 12.65 mm magnetic tape on type VHS
    VHS 型12.65 mm螺旋扫描盒式磁带录像系统

    YS-China National Standards

    GB/T 7728-1987 Chemical analYSis of metallurgical products--General rule for flame atomic absorption spectrometric methods
    冶金产品化学分析 火焰原子吸收光谱法通则

    YS-China National Standards

    GB/T 7615-1987 CATV SYStem--Antenna part
    共用天线电视系统 天线部分

    YS-China National Standards

    GB/T 7585-1987 Capacity series and radio-frequency channel arrangement for analog microwave relay sYStems
    模拟微波接力通信系统容量系列及波道配置

    YS-China National Standards

    GB/T 7313-1987 Minimum performance requirements and methods of measurement for high fidelity loudspeaker sYStems
    高保真扬声器系统最低性能要求及测量方法

    YS-China National Standards


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