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Standards GB - Chinese national standards - Page 5254
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 6220-2023
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Respiratory protection—Air line respirator
Standard published on 28.12.2023
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GB 6222-2025
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Safety specification for gas of industrial enterprises
Standard published on 31.10.2025
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GB 6227.1-2010
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The national food safety standards of food additives Sunset Yellow
Standard published on 21.12.2010
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GB/T 6229-2007
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Test methods for walking tractors
Standard published on 25.6.2007
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GB/T 6229-2007E
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Test methods for walking tractors
Standard published on 25.6.2007
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GB/T 623-2024
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Chemical reagent—Perchloric acid
Standard published on 29.9.2024
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GB/T 6232-2021
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Tractors and machinery for agriculture and forestry—Wheel-to-hub fixing dimensions
Standard published on 30.4.2021
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GB/T 6235-2004
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Agricultural tractors--Operator’s seating accommodation--Dimensions
Standard published on 24.3.2004
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GB/T 6236-2008
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Tractors and machinery for agricultural and forestry - Seat index point
Standard published on 3.2.2008
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GB/T 6238-2025
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Agricultural tractors—Operator""s workplace, access and exit—Dimensions
Standard published on 31.10.2025
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