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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
Mushroom head square neck bolts
Standard published on 9.6.2013
Selected format:Cybersecurity aspects of devices used for power metering and monitoring,power quality monitoring,data collection and analysis
Standard published on 3.12.2025
Selected format:Chemical reagentHexamethylene tetramine
Standard published on 3.9.2014
Selected format:Terminology of work and personnel quota
Standard published on 23.4.2008
Selected format:Smoke detectors-Line detectors using an optical light beam
Standard published on 1.9.2005
Selected format:Fixed capacitors for use in electronic equipment--Part 6:Sectional specification--Fixed metallized polycarbonate film dielectric d.c. capacitors
Standard published on 17.12.1992
Selected format:Fixed capacitors for use in electronic equipment--Part 6:Blank detail specification--Fixed metallized polycarbonate film dielectric d.c. capacitors--Assessment level E
Standard published on 17.12.1992
Selected format:Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment--Part 1:Transformers and inductors using YEI-1 laminations
Standard published on 17.12.1992
Selected format:Outline dimemsions of transformers and inductors for use in telecommunication and electronic equipmemt--Part 2:Transformers and inductors using YEx-2 laminations for printed wiring boardmounting
Standard published on 9.12.1997
Selected format:Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment--Part 3:Transformers and inductors using YUI-1 laminations
Standard published on 9.12.1997
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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