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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
Technical symbols for use in geophysical exploration
Standard published on 19.6.1993
Selected format:Center holes
Standard published on 20.7.2001
Selected format:Course development guide for education about standardization—Logistics standardization
Standard published on 3.12.2025
Selected format:Fibre-reinforced plastic composites-Determination of interlaminar shear strength
Standard published on 18.5.2005
Selected format:Fibre-reinforced plastic composites-Determination of the punch-type shear strength
Standard published on 18.5.2005
Selected format:Regulations for radioactive waste management
Standard published on 5.8.2002
Selected format:Spectrochemical determination of boron in uranium hexafluoride
Standard published on 19.6.1993
Selected format:Spectrochemical determination of tungstenmolybdenumniobiumtitanium and zirconium in uranium hexafluoride
Standard published on 19.6.1993
Selected format:Spectrophotometric determination of silicon in ura-nium hexafluoride
Standard published on 19.6.1993
Selected format:Spectrophotometric determination of titanium in uranium hexafluoride
Standard published on 19.6.1993
Selected format:Latest update: 2026-04-14 (Number of items: 2 272 146)
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