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Standards GB - Chinese national standards - Page 7235
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 21344-2008
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The norm of energy consumption per unit product of synthetic ammonia
WITHDRAWN published on 9.1.2008
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GB 21344-2015
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Norm of energy consumption per unit product of synthetic ammonia
WITHDRAWN published on 11.9.2015
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GB 21345-2008
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The norm of energy consumption per unit product of yellow phosphorus
WITHDRAWN published on 9.1.2008
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GB 21345-2015
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Norm of energy consumption per unit product of yellow phosphorus
WITHDRAWN published on 11.9.2015
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GB 21346-2008
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The norm of energy consumption per unit product of electrolyzed aluminum enterprise
WITHDRAWN published on 9.1.2008
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GB 21346-2013
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The norm of energy consumption per unit products of aluminum metallurgical enterprise
WITHDRAWN published on 18.12.2013
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GB 21347-2008
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The norm of energy consumption per unit product of magnesium metallurgical enterprise
WITHDRAWN published on 9.1.2008
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GB 21347-2012
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The norm of energy consumption per unit products of magnesium metallurgical enterprise
WITHDRAWN published on 31.12.2012
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GB 21348-2008
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The norm of energy consumption per unit product of tin metallurgical enterprise
WITHDRAWN published on 9.1.2008
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GB 21348-2014
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The norm of energy consumption per unit product of tin metallurgical enterprise
WITHDRAWN published on 28.4.2014
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