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Standards GB - Chinese national standards - Page 7726
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 2838-1981
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Coarse and fine aggregates of sintered pulverized fuel ash
WITHDRAWN published on 1.1.1981
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GB 28380-2012
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Minimum allowable values of energy efficiency and energy grades for microcomputers
WITHDRAWN published on 11.5.2012
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GB 2839-1981
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Coarse and fine aggregates of expanded clay
WITHDRAWN published on 1.1.1981
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GB/T 28398-2012
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Norms of energy consumption statistics for coal enterprises
WITHDRAWN published on 29.6.2012
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GB 284-1987
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Rolling bearings--Cylindrical roller bearings without inner and outer ring--Boundary dimensions
WITHDRAWN published on 1.1.1987
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GBN 284-1988
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WITHDRAWN published on 8.6.1988
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GB 2840-1981
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Coarse and fine aggregates of expanded shale
WITHDRAWN published on 1.1.1981
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GB 28401-2012
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National food safety standards of food additives -- Phospholipid
WITHDRAWN published on 17.5.2012
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GB/T 28408-2012
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Protective clothing Repellent shield clothing
WITHDRAWN published on 29.6.2012
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GB/T 28409-2012
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Personal protective equipment - Guide for the selection, use and maintenance of footwear
WITHDRAWN published on 29.6.2012
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