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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
Natural gas—Calculation of compression factor—Part 3:Calculation using physical properties
WITHDRAWN published on 17.5.1999
Selected format:Aluminium-plastic composite panel
WITHDRAWN published on 14.5.1999
Selected format:Aluminium-plastic composite panel for curtain wall
WITHDRAWN published on 12.5.2008
Selected format:Methods of whiteness specification
WITHDRAWN published on 14.5.1999
Selected format:Superfine gold powder
WITHDRAWN published on 1.1.1988
Selected format:Superfine gold powders
WITHDRAWN published on 17.10.1995
Selected format:Safety code for painting—Safety for dipping process
WITHDRAWN published on 14.5.1999
Selected format:The survey-evaluating method of energy utilization for transport ships
WITHDRAWN published on 14.5.1999
Selected format:Test and evaluation methods on fuel-saving additives of auto-fuel
WITHDRAWN published on 14.5.1999
Selected format:Test and evaluation methods on fuel-saving additives of Auto-Engine oil
WITHDRAWN published on 14.5.1999
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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