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Standards GB - Chinese national standards - Page 923
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 18319-2019
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Textiles—Test method for solar heat storage property
Standard published on 31.12.2019
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GB 18320-2008
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Tri-wheel vehicles and low-speed goods vehicles - Safety requirements
Standard published on 31.12.2008
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GB 18320-2025
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Tri-wheel vehicles—Safety technical specification
Execute Date: november 2026
Standard published on 31.10.2025
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GB 18321-2001
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Limits for noise emitted by agricultural vehicles
Standard published on 21.3.2001
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GB 18322-2002
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Limits and measurement methods for smoke at free acceleration from agricultural vehicles
Standard published on 4.1.2002
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GB/T 18323-2022
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Plain bearings—Sintered bushes—Dimensions and tolerances
Standard published on 30.12.2022
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GB/T 18324-2025
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Plain bearings—Copper alloy bushes—Dimensions and tolerances
Standard published on 31.10.2025
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GB/T 18325.1-2025
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Plain bearings—Bearing fatigue—Part 1:Plain bearings in test rigs and in applications under conditions of hydrodynamic lubrication
Standard published on 31.10.2025
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GB/T 18325.2-2009
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Plain bearing - Bearing fatigue - Part 2: Test with a cylindrical specimen of a metallic bearing material
Standard published on 26.5.2009
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GB/T 18325.3-2009
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Plain bearing - Bearing fatigue - Part 3: Test on plain strips of a metallic multilayer bearing material
Standard published on 26.5.2009
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