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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
Evaluation of vibration severity for marine engine-room auxiliaries
WITHDRAWN published on 25.4.1996
Selected format:Technical requirement of free-fall lifeboat
WITHDRAWN published on 25.4.1996
Selected format:Technical requirement of launching appliances for free-fall lifeboat
WITHDRAWN published on 25.4.1996
Selected format:Ships and marine technology—Launching appliances for free-fall lifeboats
WITHDRAWN published on 9.3.2009
Selected format:Test methods of the properties of the relation between strain and electric field for piezoelectric ceramic
WITHDRAWN published on 25.4.1996
Selected format:Torsional vibration absorbers
WITHDRAWN published on 25.4.1996
Selected format:Procedures and the plan of sampling for repeat test or inspection in product quality audit
WITHDRAWN published on 26.4.1996
Selected format:Ferrocement ribbed slab
WITHDRAWN published on 15.5.1996
Selected format:Classificationdesignation and types of ion exchange resin
WITHDRAWN published on 15.9.1979
Selected format:Specification on evaluation methods of hazards of liquid chemicals transported in bulk by shipping—Assessment procedure and determination of pollution category
WITHDRAWN published on 16.5.1996
Selected format:Latest update: 2025-11-05 (Number of items: 2 243 072)
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