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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
Glossary of nuclear science and technology—Part 4:radionuclide
Standard published on 31.10.2025
Selected format:Glossary of nuclear science and technology—Part 5: Radiation protection and safety of radiation sources
Standard published on 5.10.2025
Selected format:Glossary of terms: nuclear science and technology - Nuclear instrumentation
Standard published on 19.9.2008
Selected format:Glossary of nuclear science and technology terms—Part 7: Nuclear materials regulatory control and safeguards
Standard published on 28.12.2023
Selected format:Glossary of nuclear science and technology—Part 8:Radioactive waste management
Standard published on 29.8.2025
Selected format:Glossary of nuclear science and technology terms - Part 9Magnetic confinement fusion
Standard published on 7.2.2013
Selected format:Time signal in radio broadcasting
Standard published on 10.10.1999
Selected format:Technical safety regulation for gaseous hydrogen use
Standard published on 11.12.2008
Selected format:Acoustics - Normal equal-loudness-level contours
Standard published on 14.11.2007
Selected format:Measurement of noise emitted by vessels on inland waterways and harbours
Standard published on 14.1.2011
Selected format:Latest update: 2026-07-12 (Number of items: 2 286 472)
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