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Standards GB - Chinese national standards - Page 5280
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 8887-2021
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Classification of starch
Standard published on 9.3.2021
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GB/T 8888-2014
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Wrough heavy non-ferrous metal products-packing,marking,transportation, storing and cetificate of quality
Standard published on 5.12.2014
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GB/T 889.1-2015
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Prevailing torque type hexagon nuts (with non-metallic insert)style 1
Standard published on 31.12.2015
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GB/T 889.2-2016
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Prevailing torque type hexagon nuts (with non-metallic insert), style 1—Fine pitch thread
Standard published on 24.2.2016
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GB/T 8890-2015
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Seamless copper alloy tube for condenser and heat-exchanger
Standard published on 11.9.2015
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GB/T 8891-2013
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Tube of copper and copper alloy for heat radiator
Standard published on 17.12.2013
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GB/T 8891-2025
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Copper and copper alloy tube for heat radiator
Execute Date: may 2026
Standard published on 31.10.2025
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GB/T 8892-1988
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Bronze tube for pressure-gauge
Standard published on 29.2.1988
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GB/T 8892-2014
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Copper alloy tube for pressure gauge
Standard published on 27.3.2014
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GB/T 8894-2014
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Copper and copper-alloy waveguide tube
Standard published on 24.7.2014
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