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Standards GB - Chinese national standards - Page 7220
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 24790-2009
WITHDRAWN
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Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
WITHDRAWN published on 15.12.2009
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GB/T 24797.2-2014
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Film for wrapping rubber bales—Part 2:Natural rubber
WITHDRAWN published on 8.7.2014
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GB/T 24799-2009
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Special tyre tube
WITHDRAWN published on 15.12.2009
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GB 248-1964
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Assembled reinforced-concrete supports for roadways in coal mines
WITHDRAWN published on 14.1.1964
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GB 2480-1983
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Technical specifications for silicon carbide
WITHDRAWN published on 1.1.1983
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GB/T 2480-1996
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Conventional abrasive —Silicon carbide
WITHDRAWN published on 5.7.1996
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GB/T 2480-2008
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Conventional abrasive—Silicon carbide
WITHDRAWN published on 3.6.2008
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GB/T 24801-2009
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Rubber antiscorching agent CTP
WITHDRAWN published on 15.12.2009
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GB/T 24803.2-2013
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Safety requirements for liftsPart 2: Safety parameters meeting the global essential safety requirements (GESRs)
WITHDRAWN published on 31.12.2013
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GB/T 24804-2009
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Rules for the improvement of safety of existing lifts
WITHDRAWN published on 15.12.2009
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