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Standards GB - Chinese national standards - Page 4563
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 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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GB/T 45661-2025
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Determination for dangerous quantities of radioactive material
Standard published on 30.5.2025
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GB/T 45662-2025
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General rule for the quality of hotpot condiment
Standard published on 30.5.2025
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GB/T 45663-2025
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Anaesthetic and respiratory equipment—User-applied labels for syringes containing drugs used during anaesthesia—Colours, design and performance
Standard published on 30.5.2025
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GB/T 45664-2025
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Environmental test method for electrically heated aircraft transparencies
Standard published on 30.5.2025
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GB/T 45665.1-2025
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Anaesthetic and respiratory equipment—Conical connectors—Part 1: Cones and sockets
Standard published on 30.5.2025
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