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Standards GB - Chinese national standards - Page 377
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 14252-2008
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Woven carpets
Standard published on 16.6.2008
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GB/T 14253-2008
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General specification for light industry machinery
Standard published on 31.7.2008
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GB/T 14255-2015
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Household sewing machines head—Method of sound power levels of noise emitted
Standard published on 11.9.2015
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GB/T 14257-2025
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Bar code for commodity—Placement requirements for bar code symbol
Standard published on 1.8.2025
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GB/T 14258-2003
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Information technology--Automatic identification and data capture techniques--Verification ofprint quality of bar code symbols
Standard published on 24.11.2003
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GB/T 14259-1993
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Acoustics--Guide to standards on the measurement of airborne acoustical noise and evaluation ofits effects on human beings
Standard published on 17.3.1993
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GB/T 1426-2008
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The classifications of carbon materials
Standard published on 5.8.2008
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GB/T 14260-2010
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General rules for sampling and sample preparation of heavy nonferrous metals flotation concentrates in bulk
Standard published on 23.12.2010
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GB/T 14261-2010
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Methods for sampling and sample preparation of flotation zinc concentrates in bulk
Standard published on 23.12.2010
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GB/T 14262-2010
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Methods for sampling and sample preparation of flotation lead concentrates in bulk
Standard published on 23.12.2010
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