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Standards GB - Chinese national standards - Page 7814
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 4578-1984
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Food additive—Saccharin sodium
WITHDRAWN published on 13.7.1984
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GB 4578-2008
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Food additive—Sodium saccharin
WITHDRAWN published on 3.12.2008
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GB 4579-1984
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Method for determination of sewability of sewing thread
WITHDRAWN published on 1.1.1984
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GB/T 458-1989
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Paper and board--Determination of air permeance(Schopper method)
WITHDRAWN published on 31.3.1989
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GB/T 458-2002
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Paper and board—Determination of air permeance (Schopper method)
WITHDRAWN published on 6.9.2002
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GB 4580-1984
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Unlined fire hose
WITHDRAWN published on 18.7.1984
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GB 4581.1-1984
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Alunite ores--Analytical methods--General instructions
WITHDRAWN published on 1.1.1984
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GB 4581.10-1984
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Alunite ores--Determination of total iron content--Sulphosalicylic acid photometric method
WITHDRAWN published on 1.1.1984
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GB 4581.11-1984
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Alunite ores--Determination of titanium content--Diantipyrylmethane photometric method
WITHDRAWN published on 1.1.1984
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GB 4581.2-1984
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Alunite ores--Analytical samples--The methods of the sampling and preparation
WITHDRAWN published on 1.1.1984
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