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Standards GB - Chinese national standards - Page 4907
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 4823-2013
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Defects in sawn timber
Standard published on 12.11.2013
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GB/T 48230.1-2026
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Environmental management for concrete and concrete structures—Part 1: General principles
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48230.2-2026
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Environmental management for concrete and concrete structures—Part 2: System boundary and inventory data
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48230.4-2026
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Environmental management for concrete and concrete structures—Part 4: Environmental design of General principles
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48230.6-2026
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Environmental management for concrete and concrete structures—Part 6:Use of concrete structures
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48230.8-2026
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Environmental management for concrete and concrete structures—Part 8: Environmental labels and declarations
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48231.1-2026
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Compatibility of sealant and coating—Part 1: Evaluation of paintability
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48232-2026
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Test method for determing impermeability of cement
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48233-2026
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Metallic materials—Beam bending miniature specimen—Creep testing method
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48234-2026
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Technical specification for rail transit tyres
Execute Date: october 2027
Standard published on 28.9.2026
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