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Standards GB - Chinese national standards - Page 7148
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 23761-2009
WITHDRAWN
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Test method of photocatalytic materials for air purification
WITHDRAWN published on 13.5.2009
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GB/T 23762-2009
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Test method of photocatalytic materials for purification of water solution
WITHDRAWN published on 13.5.2009
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GB/T 2377-1980
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Method for the determination of shade and colouring strength for reduced dyes
WITHDRAWN published on 1.1.1980
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GB/T 2377-2003
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Vat dyes—Determination of dyeing shade and relative strength
WITHDRAWN published on 9.10.2003
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GB/T 2377-2006
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Vat dyes—Determination of shade and relative strength
WITHDRAWN published on 1.8.2006
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GB/T 23776-2009
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Methodology of sensory evaluation of tea
WITHDRAWN published on 12.5.2009
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GB/T 23779-2009
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Allergenic ingredients in prepackaged foods
WITHDRAWN published on 18.5.2009
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GB/T 2378-1980
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Method for the determination of shade and colouring strength for acid dyes
WITHDRAWN published on 1.1.1980
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GB/T 2378-2003
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Acid dyes—Determination of dyeing shade and relative strength
WITHDRAWN published on 9.10.2003
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GB/T 2378-2012
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Acid dyes - Determination of dyeing shade and relative strength
WITHDRAWN published on 29.6.2012
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