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中华人民共和国国家标准

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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
    SJ 2816.1-1987 Detail specification for (soldered) crYStal holders (enclosures) for Type J1

    YS-China Electronics Standards

    SJ 2816.2-1987 Detail specification for (resistance-welded) crYStal holders (enclosures) for Type J1A

    YS-China Electronics Standards

    SJ 2816.3-1987 Detail specification for (soldered) crYStal holders (enclosures) for Type J3

    YS-China Electronics Standards

    SJ 2816.4-1987 Detail specification for (resistance-welded) crYStal holders (enclosures) for Type J3A

    YS-China Electronics Standards

    SJ 2816.5-1987 Detail specification for (cold-weld) crYStal holders (enclosures) for Type J3B

    YS-China Electronics Standards

    SJ/Z 2782-1987 Method of analYSis for overall activation process of non-evaporable getrters (catmasphere method)

    YS-China Electronics Standards

    GB 7795-1987 Diagnostic criteria and principles of management of occupational acute electric ophthalmia (Keratoconjunctivitis caused by ultraviolet raYS)
    职业性急性电光性眼炎(紫外线角膜结膜炎)诊断标准及处理原则

    YS-China National GB Standards

    SJ/Z 9141.5-1987 Audio, video, television equipment and sYStems--Part 5: Control, synchronization and address codes--Chapter 2: Operating practice of control system for still image two projector

    YS-China Electronics Standards

    SJ/Z 9008.5-1987 Measurement of electrical properties of microwave tubes--Part 6: High-power klYStrons

    YS-China Electronics Standards

    SJ/Z 9008.4-1987 Measurement of electrical properties of microwave tubes--Part 5: Low-power oscilator klYStrons

    YS-China Electronics Standards

    SJ/Z 9142.1-1987 high fidelity audio equipment and sYStems Minimum Performance requirements. Part 1: General

    YS-China Electronics Standards

    SJ/Z 9141.7-1987 Audio-visual, video and television equipment and sYStems. Part 15:Audio pages

    YS-China Electronics Standards

    SJ 2845.1-1987 Electrical relaYS--Part 7: Generic specification: Test and measurement procedures for electromechanical all-or-nothing relays (Applicable for certification)

    YS-China Electronics Standards

    SJ 2845.2-1987 Part 10: Generic specification: Supplement to SJ 2845. 1 (IEC 255-7)--Application of the IEC quality assessment sYStem for electronic components to all-or-nothing relays

    YS-China Electronics Standards

    SJ/Z 9141.6-1987 Audio-visual, video and television equipment and sYStems. Part 14:Audio striped card system

    YS-China Electronics Standards

    SJ/Z 9095.6-1987 Methods of measurement for radio equipment used in mobile services--Part 6: Selective calling equipment--Audio frequencies commonly used in tone-signalling sYStems

    YS-China Electronics Standards

    GB/T 6730.8-1986 Methods for chemical analYSis of iron ores--The potassium dichromate volumetric method for the determination of iron (Ⅱ)content
    铁矿石化学分析方法 重铬酸钾容量法测定亚铁量

    YS-China National Standards

    QB 973-1986 (Daily ceramic paste apparent porosity and bulk density analYSis)

    YS-China Light Industry Standards

    QB 972-1986 (Household ceramic mold with plaster phYSical performance test methods)

    YS-China Light Industry Standards

    GB/T 6730.36-1986 Methods for chemical analYSis of iron ores--The flame atomic absorption spectrophotometric method for the determination of copper content
    铁矿石化学分析方法 原子吸收分光光度法测定铜量

    YS-China National Standards


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