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Standards GB - Chinese national standards - Page 7167
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 2449-1992
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Sulphur for industrial use and its testing methods
WITHDRAWN published on 9.7.1992
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GB/T 2449-2006
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Sulphur for industrial use
WITHDRAWN published on 14.9.2006
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GB/T 2449.1-2014
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Sulphur for industrial use—Part 1:Solid product
WITHDRAWN published on 3.9.2014
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GB/T 24498-2009
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Gaskets for doors,windows and curtain walls of buildings
WITHDRAWN published on 30.10.2009
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GB 245-1982
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WITHDRAWN published on 1.1.1982
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GB/T 245-1997
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Metallic materials—Tube—Flanging test
WITHDRAWN published on 11.11.1997
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GB/T 245-2008
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Metallic materials-tube—Flanging test
WITHDRAWN published on 13.5.2008
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GB 2450-1981
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Sulphur for industrial use--Sampling of test specimensand method of preparation
WITHDRAWN published on 1.1.1981
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GB 24500-2009
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The minimum allowable values of energy efficiency and energy efficiency grades of industrial boilers
WITHDRAWN published on 30.10.2009
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GB 24502-2009
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Chemical oxygen self-rescuer for coal mine
WITHDRAWN published on 30.10.2009
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