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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
Acoustic, optical alarm signals and identifying indications in ships
Execute Date: july 2026
Standard published on 2.12.2025
Selected format:Terms and classification of building and sanitary ceramics
Standard published on 27.11.2023
Selected format:Code for highway pavement classification and type
Standard published on 17.3.2023
Selected format:Dead centre
Standard published on 11.8.2008
Selected format:Insterted blade gear hobs
Standard published on 18.5.2005
Selected format:Round wire circlips
Standard published on 2.7.1986
Selected format:Hardmetal burrs--Part 1:General specifications
Standard published on 18.5.2005
Selected format:Hardmetal burrs--Part 10:Conical round-(ball-)nose burrs(style L)
Standard published on 18.5.2005
Selected format:Hardmetal burrs--Part 11:Conical pointed-nose burrs(style M)
Standard published on 18.5.2005
Selected format:Hardmetal burrs--Part 12:Inverted cone burrs(style N)
Standard published on 18.5.2005
Selected format:Latest update: 2026-04-21 (Number of items: 2 274 412)
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