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Standards GB - Chinese national standards - Page 120
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 11499-2001
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Letter symbols for discrete semiconductor devices
Standard published on 5.11.2001
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GB/T 11499-2026
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Letter symbols for discrete semiconductor devices
Execute Date: october 2026
Standard published on 31.3.2026
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GB/Z 115-2025
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Gears—Calculation of load capacity of worm gears
Standard published on 3.12.2025
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GB/T 1150-2010
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Internal combustion engines - Cast iron wet cylinder liners - Specifications
Standard published on 10.11.2010
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GB/T 11500-2008
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Photography - Density Measurement - Part 2Geometric conditions for transmission density
Standard published on 18.6.2008
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GB/T 1151-2023
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Internal combustion engines—Main and connecting rod bearings—Specifications
Standard published on 23.5.2023
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GB/T 11533-2011
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Standard for logarithmic visual acuity charts
Standard published on 30.12.2011
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GB/T 11538-2006
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Essential oil - Analysis by gas chromatography on capillary columns - General method
Standard published on 31.3.2006
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GB/T 11539-2008
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Fragrance/Flavor substances - Analysis by gas chromatography on packed columns - General method
Standard published on 15.7.2008
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GB/T 11540-2008
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Fragrance/Flavor substances - Determination of relative density
Standard published on 15.7.2008
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