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Standards GB - Chinese national standards - Page 182
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
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GB/T 1239.2-2009
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Cold coiled helical springs technical specifications—Part 2:Compressions spring
Standard published on 16.3.2009
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GB/T 1239.3-2009
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Cold coiled helical springs technical specifiations - Part 3: Torsion spring
Standard published on 16.3.2009
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GBJ 124-1988
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terms of road construction
Standard published on 31.3.1988
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GB/Z 124.1-2025
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Nanotechnologies—Structural characterization of graphene—Part 1:Graphene from powders and dispersions
Standard published on 3.12.2025
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GB/T 12401-1990
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Specificationof antenna (including feed network) and servo system used in domestic satellitecommunication earth stations
Standard published on 5.7.1990
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GB/T 12402-2000
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Classification and code for economic categories
Standard published on 14.7.2000
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GB/T 12403-1990
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Names and codes for the officials positions
Standard published on 5.7.1990
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GB/T 12404-1997
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Coding for subordination of organization
Standard published on 26.5.1997
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GB/T 12405-2008
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Coding for kind of increase or decrease number of workers in an organization
Standard published on 19.8.2008
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GB/T 12406-2022
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Codes for the representation of currencies
Standard published on 30.12.2022
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