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Standards GB - Chinese national standards - Page 4712
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 4789.49-2024
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National food safety standard - Food Microbiological Testing - Testing for Shiga toxin-producing Escherichia coli
Standard published on 8.2.2024
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GB 4789.5-2012
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National food safety standard -- Microbiological examination of food hygiene -- Examination of shigella
Standard published on 17.5.2012
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GB 4789.6-2016
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Microbiological examination of food hygiene--Examination of diarrheogenic Escherichia coli
Standard published on 23.12.2016
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GB 4789.7-2013
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National food safety standard - Food Microbiological Examination - Vibrio parahaemolyticus
Standard published on 29.11.2013
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GB 4789.8-2016
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Microbiological examination of food hygiene--Examination of Yersinia enterocolitica
Standard published on 31.8.2016
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GB 4789.9-2025
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National food safety standard - Food microbiological examination - Examination of Campylobacter jejuni and Campylobacter coli
Standard published on 2.9.2025
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GB/T 479-2016
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Determination of plastometric indices of bituminous coal
Standard published on 13.12.2016
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GB/T 4791-2025
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Graphical symbols for pipeline accessory of ships
Standard published on 31.10.2025
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GB 4793-2024
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Safety technical specification for electrical equipment for measurement,control and laboratory use
Execute Date: november 2026
Standard published on 28.10.2024
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