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Standards GB - Chinese national standards - Page 815
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 17777-2009
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Determination of molybdenum in feeds - Spectrophotometry
Standard published on 26.5.2009
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GB/T 17778-2025
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Determination of D-biotin in feed additive premix
Standard published on 30.6.2025
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GB 17779-2010
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The national food safety standards of food additives -- L-threonate
Standard published on 21.12.2010
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GB/T 17780.1-2012
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Textile machinery - Safety requirements - Part 1: Common requirements
Standard published on 5.11.2012
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GB/T 17780.2-2012
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Textile machinery - Safety requirements - Part 2: Spinning preparatory and spinning machines
Standard published on 5.11.2012
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GB/T 17780.3-2012
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Textile machinery - Safety requirements - Part 3: Nonwoven machinery
Standard published on 5.11.2012
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GB/T 17780.4-2012
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Textile machinery - Safety requirements - Part 4: Yarn processing,cordage and rope manufacturing machinery
Standard published on 5.11.2012
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GB/T 17780.5-2012
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Textile machinery - Safety requirements - Part 5: Preparatory machinery to weaving and knitting
Standard published on 5.11.2012
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GB/T 17780.6-2012
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Textile machinery - Safety requirements - Part 6: Fabric manufacturing machinery
Standard published on 5.11.2012
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GB/T 17780.7-2012
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Textile machinery - Safety requirements - Part 7: Dyeing and finishing machinery
Standard published on 5.11.2012
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