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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
Ebonite--Determination of hardness by means of a durometer
WITHDRAWN published on 12.3.1982
Selected format:Ebonite—Determination of hardness by means of a durometer
WITHDRAWN published on 10.1.2003
Selected format:Information technology—Office equipment—Minimum information to be included in specification sheets—Copying machines
WITHDRAWN published on 2.9.1997
Selected format:Information technology—Office equipment—Minimum information to be included in specification sheets—Copying machines
WITHDRAWN published on 2.7.2008
Selected format:Chemical reagent Dichloromethane
WITHDRAWN published on 9.9.1997
Selected format:Raw hemp
WITHDRAWN published on 11.9.1997
Selected format:Raw hemp
WITHDRAWN published on 7.8.2008
Selected format:Test methods for length of cotton fibres—Middle weighting method
WITHDRAWN published on 11.9.1997
Selected format:Application identification for bar code
WITHDRAWN published on 15.9.1997
Selected format:Application identifiers for EAN.UCC system
WITHDRAWN published on 25.7.2003
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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