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Standards GB - Chinese national standards - Page 4690
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 47498.1-2026
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Ophthalmic instruments—Fundamental requirements and test methods—Part 1: General requirements applicable to all ophthalmic instruments
Execute Date: may 2029
Standard published on 30.4.2026
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GB 47498.2-2026
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Ophthalmic instruments—Fundamental requirements and test methods—Part 2Light hazard protection
Execute Date: may 2029
Standard published on 30.4.2026
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GB 47499-2026
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Safety specification for polysilicon produced by improved siemens method
Execute Date: may 2027
Standard published on 30.4.2026
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GB/T 475-2008
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Method for manual sampling of commercial coal
Standard published on 4.12.2008
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GB/T 4750-2016
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Criteria for designing of household anaerobic digesters
Standard published on 13.10.2016
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GB 47500-2026
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Limits of hazardous substances for land application of livestock and poultry manure fertilizer
Execute Date: may 2027
Standard published on 30.4.2026
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GB 47501-2026
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Rotating electrical machines—Safety technical specification
Execute Date: november 2026
Standard published on 30.4.2026
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GB/T 47502-2026
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Distributed computing—Technical requirements for computing devices
Execute Date: november 2026
Standard published on 30.4.2026
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GB/T 47503-2026
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Technical guidelines for the construction and operation of electric vehicle coordinated charging system
Execute Date: november 2026
Standard published on 30.4.2026
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GB/T 47504-2026
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Commercial vehicle controller area network (CAN) communication protocol
Execute Date: november 2026
Standard published on 30.4.2026
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