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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
Statistical interpretation of data - Parameter estimation for gamma distribution (Pearson distribution)
Standard published on 15.10.2009
Selected format:Statistical interpretation of data - Detection and treatment of outliers in the sample from exponential distribution
Standard published on 16.7.2008
Selected format:Standard permissible limits and testing method for release of lead or cadmium from ceramic cookware
Standard published on 13.6.2003
Selected format:Household and similar refrigerating appliances
Standard published on 30.12.2016
Selected format:
Household and similar refrigerating appliances
Execute Date: june 2026
Standard published on 29.8.2025
Selected format:Knurled nut with collar
Standard published on 24.6.1988
Selected format:Micrometer with dial comparator
Standard published on 11.7.2022
Selected format:Designation of cast nonferrous metals and their alloys
Standard published on 29.12.2017
Selected format:Acceptance conditions for gear hobbing machines--Testing of the accuracy
Standard published on 18.11.1998
Selected format:Geometrical product specifications (GPS)—Functional gauges
Standard published on 29.9.2024
Selected format:Latest update: 2026-05-02 (Number of items: 2 275 366)
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