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Standards GB - Chinese national standards - Page 933
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 18388-2005
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Electric vehicles-Engineering approval evaluation program
Standard published on 23.5.2005
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GB/T 18389-2025
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Requirements for distribution services of agricultural machinery
Standard published on 30.6.2025
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GB/T 1839-2025
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Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products
Standard published on 29.8.2025
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GB/T 18391.1-2009
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Information technology - Metadata registries (MDR) - Part 1: Framework
Standard published on 30.9.2009
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GB/T 18391.1-2026
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Information technology—Metadata registries (MDR)—Part 1 Framework
Standard published on 27.2.2026
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GB/T 18391.2-2009
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Information technology - Metadata registries (MDR) - Part 2: Classification
Standard published on 30.9.2009
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GB/T 18391.2-2026
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Information technology—Metadata registries (MDR)—Part 2 Classification
Standard published on 27.2.2026
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GB/T 18391.3-2009
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Information technology - Metadata registries (MDR) - Part 3: Registry metamodel and basic attributes
Standard published on 30.9.2009
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GB/T 18391.3-2026
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Information technology—Metadata registries (MDR)—Part 3Metamodel for registry common facilities
Standard published on 27.2.2026
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GB/T 18391.4-2009
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Information technology - Metadata registries (MDR) - Part 4: Formulation of data definitions
Standard published on 30.9.2009
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