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Standards GB - Chinese national standards - Page 328
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/Z 138-2025
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Nanotechnologies—Evaluation of the antimicrobial performance of textiles containing manufactured nanomaterials
Standard published on 3.12.2025
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GB/Z 13800-2021
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Manual wheelchairs
Standard published on 11.10.2021
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GB 13801-2015
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Emission standard of air pollutants for crematory
Standard published on 15.5.2015
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GB/T 13803.1-1999
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Wooden granular activated carbon for refiningof sodium glutamate
Standard published on 10.11.1999
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GB/T 13803.2-1999
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Wonden activated carbon for water purification
Standard published on 10.11.1999
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GB/T 13803.3-1999
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Activated carbon for refining of sugar
Standard published on 10.11.1999
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GB/T 13803.4-1999
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Activated carbon for refinement of injection
Standard published on 10.11.1999
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GB/T 13803.5-1999
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Catalyst support activated carbon for vinylacetate synthesis
Standard published on 10.11.1999
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GB/T 13806.1-1992
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Fasteners for fine mechanics--Cross recessed screws
Standard published on 5.11.1992
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GB/T 13806.2-1992
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Fasteners for fine mechanics--Cross recessed tapping screws--Scrape point
Standard published on 5.11.1992
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