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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
Bus inner dimensions
Standard published on 29.8.2025
Selected format:Strength of seats and their anchorages of passenger vehicles
Standard published on 8.9.2023
Selected format:-
Standard published on 1.1.1991
Selected format:Technical speciffication of air spring used for air suspension of commercial vehicle
Standard published on 14.10.2017
Selected format:Semiconductor devices—Integrated circuits—Part 21-1Blank detail specification for film integrated circuits and hybrid film integrated circuits on the basis of the qualification approval procedures
Standard published on 28.12.2018
Selected format:Blank detail specification of gas discharge tubes for overvoltage protection
Standard published on 6.7.1991
Selected format:Determination of uranium content in uranium ores—Potentiometric titration
Standard published on 29.8.2025
Selected format:Geological waters samples - Determination of radioactive ratios 234U/238U and 230Th/232Th - Extraction chromatograph and alpha spectrometry measure
Standard published on 10.11.2010
Selected format:Geological water samples - Determination of radioactive ratio 226Ra/228Ra - Emanation - counting techniques
Standard published on 10.11.2010
Selected format:Rock samples - Determination of radium - 226 - Emanation technique
Standard published on 10.11.2010
Selected format:Latest update: 2026-08-02 (Number of items: 2 290 553)
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