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Standards GB - Chinese national standards - Page 4644
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 4625-2022
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Assembly tools for screws and nuts—Nomenclature
Standard published on 8.11.2022
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GB/T 46250-2025
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Technical specification for lightning protection of fireworks production enterprises
Standard published on 5.10.2025
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GB/T 46251-2025
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Specification for identification of high-impact sections of road dense fog
Standard published on 5.10.2025
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GB/T 46252-2025
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Specification for identification of high-impact sections of road icing
Standard published on 5.10.2025
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GB/T 46253-2025
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Level 1C data format of polar orbiting meteorological satellite atmospheric vertical sounding data—Radiance
Standard published on 5.10.2025
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GB/T 46254-2025
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Technical method of tropical cyclone intensity analysis using geostationary meteorological satellite data
Standard published on 5.10.2025
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GB/T 46255-2025
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Urban public facilities—Electronic fence system—General requirements of construction
Standard published on 5.10.2025
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GB/T 46256-2025
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Biobased materials and products—Biobased content and traceability labeling requirements
Standard published on 29.8.2025
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GB/T 46257-2025
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Determination of acetylcholine and its salts in cosmetics—Liquid chromatography-tandem mass spectrometry
Standard published on 29.8.2025
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GB/T 46258-2025
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Determination of hexamethylenetetramine in cosmetics—Liquid chromatography–tandem mass spectrometry
Standard published on 29.8.2025
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