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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
    JJG 2007-1987 Verification SYStem of Time and Frequency Measuring Instruments

    YS-China Metrological Standards

    SJ 1542-1987 Method for chemical analYSis of Nickel and Nickel alloy for vacuum tubes

    YS-China Electronics Standards

    SJ 2741-1987 Capacity series and r. f. waveguide adaptations of digital microwave link communication sYStems

    YS-China Electronics Standards

    GB/T 223.57-1987 Methods for chemical analYSis of iron,steel and alloy--The extraction-absorption catalytic polarographic method for the determination of cadmium content
    钢铁及合金化学分析方法 萃取分离-吸附催化极谱法测定镉量

    YS-China National GB Standards

    GB/T 223.58-1987 Methods for chemical analYSis of iron,steel and alloy--The extraction-absorption catalytic polarographic method for the determination of manganese content
    钢铁及合金化学分析方法 亚砷酸钠-亚硝酸钠滴定法测定锰量

    YS-China National GB Standards

    SJ/Z 9073.4-1987 Electrical relaYS--Part 18: Dimensions for general purpose all-or-nothing relays

    YS-China Electronics Standards

    SJ/Z 9021.4-1987 Mechanical standardization of semiconductor devices. Part 4: Coding sYStem and classification into forms of package outlines for semiconductor devices

    YS-China Electronics Standards

    SJ/Z 9094.9-1987 Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2: Measurements for sub-systems--Section 8: Radio receivers

    YS-China Electronics Standards

    SJ/Z 9027-1987 Identification cards--Numbering sYStem and registration procedure for issuer identifiers

    YS-China Electronics Standards

    SJ/Z 9029.1-1987 Disturbances in power supply sYStems caused by household appliances and similar electrical equipment Part 1: Definitions

    YS-China Electronics Standards

    SJ/Z 9029.2-1987 Disturbances in power supply sYStems caused by household appliances and similar electrical equipment Part 2: Harmonic waves

    YS-China Electronics Standards

    SJ/Z 9029.3-1987 Disturbances in power supply sYStems caused by household appliances and similar electrical equipment Part 3: Voltage fluctuation

    YS-China Electronics Standards

    SJ/Z 9058-1987 Office machines-keyboards-key numbering sYStem and layout charts

    YS-China Electronics Standards

    SJ/Z 9060-1987 Information processing - Guidelines for documentation of computer-based application sYStems

    YS-China Electronics Standards

    SJ/Z 9071-1987 Binary floating-point arithmetic for microprocessor sYStem

    YS-China Electronics Standards

    SJ/Z 9073.1-1987 All-or-nothing electrical relaYS

    YS-China Electronics Standards

    SJ 2779-1987 Precision shafts for tape transmission sYStems of cassette tape recorders

    YS-China Electronics Standards

    SJ/Z 9118.3-1987 Magnetic tape sound recording and reproducing sYStems--Part 3: Methods of measurement for characteristics of sound recording and reproducing equipment on magnetic tape

    YS-China Electronics Standards

    SJ 2845.4-1987 Electrical relaYS--Part 19: Blank detail specification: Electromechanical all-or-nothing relays of assessed quality--Test schedules 1, 2 and 3 (Applicable for certification)

    YS-China Electronics Standards

    SJ/Z 9098.3-1987 Methods of measurement for radio receivers of various classes of emissions Part 8: RF measurement on special receivers for FM telegraph sYStems

    YS-China Electronics Standards


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