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Standards GB - Chinese national standards - Page 748
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 17320-2013
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Quality classification of wheat varieties
Standard published on 19.7.2013
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GB/T 17321-2012
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Sensory analysis method - Duo-trio test
Standard published on 29.6.2012
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GB 17323-1998
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Bottled purified water for drinking
Standard published on 21.4.1998
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GB 17325-2015
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Hygienic standard of concentrated fruit and vegetable juice for food industry
Standard published on 13.11.2015
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GB/T 1733-1993
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Determination of resistance to water of films
Standard published on 20.3.1993
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GB/T 17335-1998
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Determination of crocin in foods
Standard published on 20.4.1998
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GB/T 17341-1998
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Optics and optical instruments—Focimeters
Standard published on 5.5.1998
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GB/T 17342-2009
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Ophthalmic instrument - Trial case lenses
Standard published on 12.6.2009
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GB/T 17343-2023
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Packing containers—Steel square pails
Standard published on 23.5.2023
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GB/T 17344-2025
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Packaging—Packing containers—Air-tight test method
Standard published on 1.8.2025
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