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Standards GB - Chinese national standards - Page 30
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 10322.8-2009
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Iron ores - Single-point determination of specific surface area - Nitrogen adsorption method
Standard published on 30.10.2009
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GB/T 10322.9-2023
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Iron ores—Determination of specific surface area—Test method using air-permeability apparatus (Blaine)
Standard published on 7.9.2023
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GB/T 10325-2012
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Shaped refractory products-rule of acceptance,sampling and inspection
Standard published on 5.11.2012
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GB/T 10326-2016
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Shaped refractory products inspections of dimension, appearance and section
Standard published on 13.10.2016
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GB/T 1033.1-2008
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Plastics - Methods for determining the density of non-cellular plastics - Part 1: Immersion method, liquid pyknometer method and titration method
Standard published on 4.8.2008
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GB/T 1033.2-2010
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Plastics - Methods for determining the density of non-cellular plastics - Part 2: Density gradient column method
Standard published on 26.9.2010
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GB/T 1033.3-2010
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Plastics - Methods for determining the density of non-cellular plastics - Part 3: Gas pyknometer method
Standard published on 26.9.2010
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GB/T 10335.1-2017
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Coated paper and board—Coated art paper
Standard published on 29.12.2017
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GB/T 10335.2-2018
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Coated paper and board—Light weight coated paper
Standard published on 28.12.2018
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GB/T 10335.3-2018
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Coated paper and board—Coated ivory board
Standard published on 28.12.2018
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