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Standards GB - Chinese national standards - Page 5758
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 12729.7-2008
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Spices and condiments—Determination of total ash
WITHDRAWN published on 16.7.2008
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GB/T 12729.8-1991
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Spices and condiments—Determination of water—Insoluble ash
WITHDRAWN published on 14.2.1991
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GB/T 12729.8-2008
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Spices and condiments—Determination of water-insoluble ash
WITHDRAWN published on 16.7.2008
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GB/T 12729.9-1991
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Spices and condiments—Determination of acid—Insoluble ash
WITHDRAWN published on 14.2.1991
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GB/T 12729.9-2008
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Spices and condiments—Determination of acid-insoluble ash
WITHDRAWN published on 16.7.2008
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GB/T 1273-1988
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Chemical reagent—Potassium hexacyanoferrate() trihydrate
WITHDRAWN published on 20.9.1988
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GB/T 12730-1991
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Narrow V-belt
WITHDRAWN published on 12.2.1991
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GB/T 12730-2002
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Narrow V-belt for general use
WITHDRAWN published on 29.5.2002
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GB/T 12730-2008
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Narrow V-belt for general drive
WITHDRAWN published on 31.3.2008
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GB 12731-1991
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Fire resistant V-belt
WITHDRAWN published on 12.2.1991
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