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Standards GB - Chinese national standards - Page 4569
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 45651-2025
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Recycling raw materials for neodymium iron boron by roasting process
Standard published on 25.4.2025
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GB/T 45652-2025
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Cybersecurity technology—Security specification for generative artificial intelligence pre-training and fine-tuning data
Standard published on 25.4.2025
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GB/T 45653-2025
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Specification for after-sales service of new energy vehicle
Standard published on 25.4.2025
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GB/T 45654-2025
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Cybersecurity technology—Basic security requirements for generative artificial intelligence service
Standard published on 25.4.2025
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GB/T 45655-2025
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General modular electrical cabinets with narrow-sized dimensions
Standard published on 25.4.2025
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GB/T 45656-2025
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Specification for the usability classification of second-hand electronic products
Standard published on 25.4.2025
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GB/T 45657-2025
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Requirements for audio-visual technology in informationized teaching environment
Standard published on 30.5.2025
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GB/T 45658-2025
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Railway applications—Traction power supply system AC 25kV co-phase power supply device
Standard published on 30.5.2025
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GB/T 45659-2025
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Railway applications—Safety control system of power supply operation
Standard published on 30.5.2025
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GB/T 45660-2025
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Electronics assembly technology—Electronic modules
Standard published on 30.5.2025
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