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Standards GB - Chinese national standards - Page 7579
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 4143-1984
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Frozen semen of bovine
WITHDRAWN published on 27.1.1984
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GB 4143-2008
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Frozen bovine semen
WITHDRAWN published on 27.6.2008
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GB/T 4144-1984
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Programming languages—Minimal BASIC
WITHDRAWN published on 3.1.1984
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GB 4145-1984
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Classifying and testing method of yarn faults
WITHDRAWN published on 1.1.1984
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GB/T 4146-1984
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Textile terms and terminology (Parts of chemical fibers)
WITHDRAWN published on 22.2.1984
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GB/T 4146.1-2009
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Textiles—Man-made fibres—Part 1:Generic names
WITHDRAWN published on 15.6.2009
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GB/T 4147.1-1984
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Method of test for nitric acid content in concentrated nitric acid--Volumetry
WITHDRAWN published on 24.2.1984
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GB/T 4147.2-1984
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Method of test for nitrous acid content in concentrated nitric acid--Volumetry
WITHDRAWN published on 24.2.1984
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GB/T 4147.3-1984
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Method of test for sulfuric acid content in concentrated nitric acid--Volumetry
WITHDRAWN published on 24.2.1984
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GB/T 4147.4-1984
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Method of test for ignited residue content in concentrated nitric acid--Gravimetry
WITHDRAWN published on 24.2.1984
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