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Standards GB - Chinese national standards - Page 4784
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 47319-2026
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Guidelines for public meteorological disaster prevention—Lightning
Standard published on 31.3.2026
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GB/T 4732.1-2024
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Pressure vessels design by analysis—Part 1: General requirements
Standard published on 24.7.2024
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GB/T 4732.2-2024
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Pressure vessels design by analysis—Part 2Materials
Standard published on 24.7.2024
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GB/T 4732.3-2024
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Pressure vessel design by analysis—Part 3: Formulae method
Standard published on 24.7.2024
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GB/T 4732.4-2024
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Pressure vessels design by analysis—Part 4:Stress classification method
Standard published on 24.7.2024
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GB/T 4732.5-2024
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Pressure vessels design by analysis—Part 5Elastic plastic analysis method
Standard published on 24.7.2024
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GB/T 4732.6-2024
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Pressure vessels design by analysis—Part 6: Fabrication, inspection and testing and acceptance
Standard published on 24.7.2024
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GB/T 47320-2026
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Determination for major hidden dangers in lightning protection safety of hazardous chemical enterprises
Standard published on 31.3.2026
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GB/T 47321-2026
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Specification for early warning data exchange of national emergencies early warning dissemination system
Standard published on 31.3.2026
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GB/T 47322-2026
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Test method for fire resistance of cables under elevated temperature conditions in building fire
Execute Date: october 2026
Standard published on 31.3.2026
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