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Standards GB - Chinese national standards - Page 4668
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 46446.1-2025
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Petroleum, petrochemicals and natural gas industries—Internal coating and lining of carbon steel process vessels—Part 1: Technical requirements
Standard published on 31.10.2025
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GB/T 46448-2025
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Information technology—Storage network—Requirement for ethernet-based device discovery
Standard published on 5.10.2025
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GB/T 46449-2025
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Public information signs for community comprehensive disaster reduction
Standard published on 5.10.2025
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GB/T 4645-2006
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Cinematography - screen luminance for the projection of motion-picture prints in indoor theatres and review rooms
Standard published on 30.8.2006
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GB/T 46450-2025
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Directives for comprehensive assessment of losses from particularly major natural disasters
Standard published on 5.10.2025
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GB/T 46451-2025
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Determination of chiral amino acids—High performance liquid chromatography tandem mass spectrometry with pre-column derivatization
Standard published on 5.10.2025
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GB/T 46452-2025
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Purity and enzymatic activity determination of nitrile hydratase
Standard published on 5.10.2025
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GB/T 46453-2025
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General principles for evaluation of food traceability system
Standard published on 5.10.2025
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GB/T 46454-2025
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Clinical laboratory testing and in vitro diagnostic test systems—Broth micro-dilution reference method for testing the in vitro activity of antimicrobial agents against yeast fungi involved in infectious diseases
Standard published on 5.10.2025
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GB/T 46455-2025
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Information technology—Interconnection of information technology equipment—Evaluation parameter system and methods of smart home system
Standard published on 5.10.2025
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