Standards GB - Chinese national standards
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
Directives for standardization - Part 1: The structure and drafting of standards
Standard published on 17.6.2009
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Directives for standardization—Part 1: Rules for the structure and drafting of standardizing documents
Standard published on 31.3.2020
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Directives for standardization—Part 2:Drafting rules of standardizing documents based on ISO/IEC standardizing documents
Execute Date: june 2021
Standard published on 19.11.2020
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Countersunk head square neck bolts
Standard published on 9.6.2013
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Slotted countersunk head wood screws
Standard published on 2.7.1986
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Dimensions and characteristics of pin insulators of ceramic for high-voltage overhead lines
Standard published on 25.4.2016
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Human dimensions of Chinese adults
Standard published on 10.12.1988
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Public information graphical symbols - Part 1: General symbols
Standard published on 31.12.2012
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Public information graphical symbolsPart 10General symbol elements
Standard published on 3.9.2014
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Public information graphical symbols for use on signPart 2: Symbols for tourism and entertainment
Standard published on 4.8.2006
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