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Standards GB - Chinese national standards - Page 7391
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 2830-1981
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Rolled-up punched paper tape for data interchange—general requirements
WITHDRAWN published on 28.12.1981
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GB/T 28300-2012
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Surface quality classes for hot-rolled bars and rods technical delivery conditions
WITHDRAWN published on 11.5.2012
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GB 28303-2012
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Food additives -- Octenyl succinate starch sodium
WITHDRAWN published on 25.4.2012
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GB 28308-2012
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National food safety standard -- Food additive -- Vegetable carbon black
WITHDRAWN published on 25.4.2012
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GB/T 2831-1981
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Surface form deviation of optical elements—Inspection methods
WITHDRAWN published on 25.12.1981
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GB 28318-2012
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Food additives -- Indigo aluminum lake
WITHDRAWN published on 25.4.2012
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GB 2832-1981
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Test method for crushing strength of vitrified clay pipe
WITHDRAWN published on 1.1.1981
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GB 2833-1981
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Test method for bending strength of vitrified clay pipe
WITHDRAWN published on 1.1.1981
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GB 2834-1981
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WITHDRAWN published on 1.1.1981
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GB 2835-1981
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WITHDRAWN published on 1.1.1981
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