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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
Test chart A4 for micrographics-reader/printers
WITHDRAWN published on 1.1.1988
Selected format:Methods for measurement and test of the viscosity
WITHDRAWN published on 30.12.1988
Selected format:Gas analysis--Preparation of calibration gas mixtures-Static volumetric methods
WITHDRAWN published on 30.12.1988
Selected format:The organization of model for electric welding machines
WITHDRAWN published on 3.11.1988
Selected format:Electromagnetic compatibility of electrical and electronic installations in ships
WITHDRAWN published on 30.12.1988
Selected format:Electrical and electronic installations in ships - Electromagnetic compatibility
WITHDRAWN published on 6.8.2007
Selected format:Rotory die encapsulator
WITHDRAWN published on 1.1.1988
Selected format:Standards for radiation protection and safety of 60Co irradiation facility
WITHDRAWN published on 19.12.1996
Selected format:Equipment for continuously monitoring for beta and gamma activity in liquid effluents
WITHDRAWN published on 1.1.1988
Selected format:Equipment for continuously monitoring for beta and gamma activity in liquid effluents or in surface waters
WITHDRAWN published on 16.11.2001
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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