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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
Hygienic standard for P-dichlorobenzene in indoor air
WITHDRAWN published on 22.10.2001
Selected format:Standards for whole blood and blood components quality
WITHDRAWN published on 22.10.2001
Selected format:Test method for the viscosity of the dilute solution of polyformaldehyde resin
WITHDRAWN published on 31.1.1980
Selected format:Electrical equipment of industrial machines—Serial data link for real-time communication between controls and drives
WITHDRAWN published on 24.10.2001
Selected format:Polyolefin pipes for the conveyance of fluids—Determination of resistance to crack propagation-Test method for slow crack growth on notched pipes(notch test)
WITHDRAWN published on 24.10.2001
Selected format:Unplasticized polyvinyl chloride(PVC-U) double wall corrugated pipes for underground soil, waste and drainage
WITHDRAWN published on 24.10.2001
Selected format:Unplasticized polyvinyl chloride (PVC-U) structure wall pipeline system for underground soil waste and drainage—Part 3:Bilayer and hollow-wall construction with axial hollow pipes
WITHDRAWN published on 15.10.2009
Selected format:Terrestrial photovoltaic(PV) power generating systems General and guide
WITHDRAWN published on 28.9.2001
Selected format:Start-up test code for reversible pump-storage units
WITHDRAWN published on 2.11.2001
Selected format:Pollution control standard for hazardous wastes incineration
WITHDRAWN published on 12.11.2001
Selected format:Latest update: 2025-07-19 (Number of items: 2 208 893)
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