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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 17178.1-1997 Information technology--Open sYStems interconnection--Conformance testing methodology and framework--Part 1:General concepts
    信息技术 开放系统互连 一致性测试方法和框架 第1部分:基本概念

    YS-China National GB Standards

    YD/T 828.39-1997 Methods of measurement for equipment used in digital microwave transmission sYStems. Part 3: Measurements on satellite earth stations.Section 9: Terminal equipment SCPC-PSK

    YS-China Telecommunication Standards

    YD/T 926.1-1997 (Building communications cabling sYStems - Part 1: Generic specification)

    YS-China Telecommunication Standards

    YD/T 923-1997 IC card payphone sYStem test procedure telephone part

    YS-China Telecommunication Standards

    YD/T 913-1997 Digital subscriber signalling sYStem No.1 (DSS1)-typical DSS1 service indicator codings for ISDN telecommunications services

    YS-China Telecommunication Standards

    YD/T 911-1997 Networking technical requirement for the Ku band domestic satellite communication sYStem

    YS-China Telecommunication Standards

    YD/T 910.3-1997 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Technical Specification of Mobile Service Switching Center-Base Station SubsYStem Interface (Phase 2)

    YS-China Telecommunication Standards

    YD/T 909-1997 General Technical Requests of STM-1 SDH Microwave Telecommunication SYStems for 4~11GHz

    YS-China Telecommunication Standards

    YD/T 905-1997 Multipoint control units for audiovisual sYStems using digital channels up to 1920kbit/s

    YS-China Telecommunication Standards

    GB/T 5095.15-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 15:Mechanical tests on contacts and terminations--Section 8:Test 15h--Contact retention sYStem resistance to tool application
    电子设备用机电元件 基本试验规程及测量方法 第15部分:接触件和引出端的机械试验 第八篇:试验15h接触件固定机构耐工具使用性

    YS-China National Standards

    YD/T 888-1997 Specifications of the multimedia inquiry sYStem of post and telecommunication services

    YS-China Telecommunication Standards

    YD/T 937-1997 Confidentiality sYStem for audiovisual services

    YS-China Telecommunication Standards

    YD/T 828.37-1997 Methods of measurement for equipment used in digital microwave transmission sYStems. Part 3: Measurements on satellite earth stations.Section 7:Figure-of-merit of receiving system

    YS-China Telecommunication Standards

    YD/T 828.32-1997 Methods of measurement for equipment used in digital microwave transmission sYStems. Part 3: Measurements on satellite earth stations.Section 2: Antenna

    YS-China Telecommunication Standards

    YD/T 828.29-1997 Methods of measurement for equipment used in digital microwave transmission sYStems. Part 2: Measurements on terrestrial redio-relay systems.Section 9: Service channels

    YS-China Telecommunication Standards

    YD/T 828.26-1997 Methods of measurement for equipment used in digital microwave transmission sYStems Part 2: Measurements on terrestrial radio-relay systems Section 6: Protection switching

    YS-China Telecommunication Standards

    YD/T 508.1-1997 Technical conditions for parabolic antenna of microwave relay communication sYStem

    YS-China Telecommunication Standards

    GB/T 223.60-1997 Methods for chemical analYSis of iron,steel and alloy--The perchloric acid dehydration gravimetric method for the determination of silicon content
    钢铁及合金化学分析方法 高氯酸脱水重量法测定硅含量

    YS-China National GB Standards

    GB/T 223.68-1997 Methods for chemical analYSis of iron,steel and alloy--The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content
    钢铁及合金化学分析方法 管式炉内燃烧后碘酸钾滴定法测定硫含量

    YS-China National GB Standards

    YD/T 904-1997 Methods of measurement for SDH microwave communication sYStems

    YS-China Telecommunication Standards


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