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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
Industrial-process measurement, control and automation—General requirements for universal automation system
Execute Date: april 2027
Standard published on 28.9.2026
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Spent catalyst unit for residual oil ebullated bed hydrogenation
Execute Date: april 2027
Standard published on 28.9.2026
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General requirements of biosafety for space science experiment projects
Execute Date: january 2027
Standard published on 28.9.2026
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liquid immersed phase-shifting transformers
Execute Date: april 2027
Standard published on 28.9.2026
Selected format:Sampling of coal seams
Standard published on 29.7.2008
Selected format:Sawn timber for shaft lifting guide
Standard published on 12.11.2013
Selected format:Sawn timber for mine shaft
Standard published on 12.11.2013
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Information technology—Big data—Core metadata for data assets
Execute Date: april 2027
Standard published on 28.9.2026
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General rules for energy dispersive X-ray fluorescence spectrometry
Execute Date: january 2027
Standard published on 28.9.2026
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General specifications for optical fibers used in space science experiments
Execute Date: april 2027
Standard published on 28.9.2026
Selected format:Latest update: 2026-11-01 (Number of items: 2 208 794)
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