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Standards GB - Chinese national standards - Page 5326
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 7372-1987
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Dichlorodifluoromethane for industrial uses
Standard published on 9.3.1987
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GB/T 7373-2006
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Monochlorodifluoro methane for industrial uses
Standard published on 1.9.2006
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GB/T 7375-2006
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Fluorinated methanes for industrial usesDetermination of purityGas chromatography
Standard published on 23.1.2006
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GB/T 7376-2008
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Determination of micro-amounts of water in industrial Fluorinated alkane
Standard published on 10.4.2008
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GB/T 7377-2017
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Series of cycle tyres
Standard published on 7.9.2017
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GB/T 7378-2012
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Surface active agents - Determination of alkalinity - Titrimetric method
Standard published on 31.12.2012
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GB/T 7381-2010
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Surface active agents - Determination of stability in hard water
Standard published on 14.1.2011
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GB/T 7383-2020
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Non-ionic surface active agents—Determination of hydroxyl value
Standard published on 14.12.2020
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GB/T 7385-2012
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Non-ionic surface active agents - Polyethoxylated derivatives - Iodometric determination of oxyethylene groups
Standard published on 31.12.2012
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GB/T 7387-1999
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Technical requirements for marine reference electrode
Standard published on 31.8.1999
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