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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Pure krypton,high purity krypton and ultra pure krypton
Standard published on 29.8.2025
Selected format:Determination of trace oxygen in the gases - Colorimetric method
Standard published on 30.12.2011
Selected format:Gas analysis—Determination of moisture—Part 1:Electrolytic method
Standard published on 13.12.2016
Selected format:Gas analysis—Determination of moisture—Part 2:Dew point method
Standard published on 13.12.2016
Selected format:Gas analysis—Determination of moisture in gases—Part 3:The method of cavity ring-down spectroscopy
Standard published on 5.10.2025
Selected format:Gas analysis—Determination of moisture—Part 4: The method of quartz crystal oscillation
Standard published on 19.11.2020
Selected format:Detail specification for electronic components--Fixed low-power non-wire-wound resistors--Type RT14 carbon film fixed resistors--Assessment level E
Standard published on 1.1.1986
Selected format:Dried chinese jujubes
Standard published on 28.3.2009
Selected format:
Dried red jujubes
Execute Date: august 2026
Standard published on 28.1.2026
Selected format:Unplasticized poly(vinyl chloride) (PVC-U) pipes for soil and waste discharge inside buildings
Standard published on 28.12.2018
Selected format:Latest update: 2026-06-25 (Number of items: 2 284 379)
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