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Standards GB - Chinese national standards - Page 4594
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 45862-2025
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Boiler carbon emission testing and calculation method
Standard published on 1.8.2025
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GB/T 45863-2025
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Test conditions for numerically controlled vertical surface broaching machines—Testing of the accuracy
Standard published on 1.8.2025
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GB/T 45864.1-2025
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Earth-moving machinery—Collision warning and avoidance—Part 1:General requirements
Standard published on 1.8.2025
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GB/Z 45864.2-2025
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Earth-moving machinery—Collision warning and avoidance—Part 2:On-board J1939 communication interface
Standard published on 3.12.2025
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GB/T 45865-2025
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General technical specification for precision electric driven harmonic gear modules
Standard published on 1.8.2025
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GB/T 45866-2025
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Earth-moving machinery—Layered software architecture for machine control system—General requirements
Standard published on 1.8.2025
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GB/T 45867-2025
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Additive manufacturing—Specification for integrated forming of dissimilar metals of cobalt-base alloys and stainless steels
Standard published on 1.8.2025
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GB/T 45868-2025
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Additive manufacturing—Specification for titanium alloy components by laser powder bed fusion
Standard published on 1.8.2025
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GB/T 45869-2025
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Technical guideline for online monitoring of boiler carbon emission
Standard published on 1.8.2025
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GB/T 4587-2023
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Semiconductor devices—Discrete devices—Part 7:Bipolar transistors
Standard published on 7.9.2023
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