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Standards GB - Chinese national standards - Page 72
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 1094.16-2025
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Power transformers—Part 16Transformers for wind turbine applications
Execute Date: february 2026
Standard published on 1.8.2025
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GB/T 1094.18-2016
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Power transformers—Part 18:Measurement of frequency response
Standard published on 29.8.2016
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GB/T 1094.23-2019
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Power transformers—Part 23:DC magnetic bias suppression devices
Standard published on 10.12.2019
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GB/T 1094.3-2017
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Power transformers--Part 3: Insulation levels, dielectric tests and external clearances in air
Standard published on 29.12.2017
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GB/T 1094.4-2005
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Power transformers--Part 4:Guide to the lightning impulse and switching impulse testing--Power transformers and reactors
Standard published on 26.8.2005
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GB/T 1094.6-2011
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Power transformers - Part 6: Reactors
Standard published on 29.7.2011
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GB/T 1094.7-2024
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Power transformers—Part 7: Loading guide for mineral-oil-immersed power transformers
Standard published on 28.11.2024
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GB/T 10940-2008
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Reciprocation type grass cutter
Standard published on 3.6.2008
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GB/T 10942-2017
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Refrigerated bulk milk tanks
Standard published on 29.9.2017
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GB/T 10944.1-2013
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Tool shanks with 7/24 taper for automatic tool changersPart 1Dimensions and designation of shanks of forms AADAFUUD and UF
Standard published on 31.12.2013
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