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Standards GB - Chinese national standards - Page 7247
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 21252-2007
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The norm of energy consumption per unit product of architecture and sanitary ceramics
WITHDRAWN published on 3.12.2007
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GB 21252-2013
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The norm of energy consumption for unit product of architecture and sanitary ceramics
WITHDRAWN published on 31.12.2013
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GB 21253-2007
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Sign and marking of special lane for Olympic vehicles
WITHDRAWN published on 1.11.2007
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GB/T 21254-2007
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Breath alcohol analyzers
WITHDRAWN published on 16.11.2007
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GB/T 21255-2007
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Motor vehicle speed detector
WITHDRAWN published on 16.11.2007
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GB 21256-2007
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The norm of energy consumption per unit product of major procedure of crude steel manufacturing process
WITHDRAWN published on 3.12.2007
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GB 21256-2013
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The norm of energy consumption per unit product of major individual-process of crude steel manufacturing process
WITHDRAWN published on 10.10.2013
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GB 21257-2007
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The norm of energy consumption per unit product of caustic soda
WITHDRAWN published on 3.12.2007
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GB 21257-2014
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The norm of energy consumption per unit product of caustic soda
WITHDRAWN published on 28.4.2014
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GB 21258-2007
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The norm of energy consumption per unit product of general coal-fired power set
WITHDRAWN published on 3.12.2007
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