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Standards GB - Chinese national standards - Page 7429
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 30431-2013
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Gas chromatograph for laboratory
WITHDRAWN published on 31.12.2013
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GB/T 30433-2013
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Standard column used for evaluating liquid chromatography
WITHDRAWN published on 31.12.2013
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GB/T 3044-1989
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Chemical analysis methods for white fusedalumina and pink fused alumina
WITHDRAWN published on 31.3.1989
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GB/T 3044-2007
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Chemical analysis methods for white fused alumina and pink fused alumina
WITHDRAWN published on 25.6.2007
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GB/T 3045-1989
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Chemical analysis methods for silicon carbide
WITHDRAWN published on 31.3.1989
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GB/T 3045-2003
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Abrasive grains—Chemical analysis of silicon carbide
WITHDRAWN published on 8.10.2003
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GB/T 3045-2017
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Conventional abrasive—Chemical analysis of silicon carbide
WITHDRAWN published on 29.12.2017
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GB/T 30462-2013
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Remanufactured non-road internal combustion enginesGeneral specifications
WITHDRAWN published on 31.12.2013
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GB 3047.1-1982
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Series of basic dimensions of panels, racks and enclosures
WITHDRAWN published on 1.1.1982
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GB/T 3047.2-1992
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Series of basic dimensions of panels, racks and enclosures for vertical increment of 44.45mm
WITHDRAWN published on 4.10.1992
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