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Standards GB - Chinese national standards - Page 24
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 10230.2-2007
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Tap-changers--Part 2:Application guide
Standard published on 2.7.2007
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GB/T 10230.2-2025
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Tap-changers—Part 2Application guidelines
Execute Date: may 2026
Standard published on 31.10.2025
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GB/T 10233-2016
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Basic testing method for low-voltage switchgear and controlgear assemblies
Standard published on 24.2.2016
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GB/T 10235-2012
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Hazard reducing device for arc welding power source
Standard published on 31.12.2012
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GB/T 10236-2006
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Guide for compatibility and protection of interference effects between semiconductor convertors and power supply system
Standard published on 8.11.2006
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GB/T 10238-2015
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Oil well cement
Standard published on 11.9.2015
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GB/T 10239-2011
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General specification for colour television broadcasting receivers
Standard published on 31.10.2011
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GB/T 10240-1988
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Specifications for the editing and production of programme source for subjective assessment of sound quality of electro-acoustic products
Standard published on 30.12.1988
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GB/T 10241-2020
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General specification for electrical resolver
Standard published on 14.12.2020
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GB/T 10247-2008
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Methods of viscosity measurement
Standard published on 20.6.2008
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