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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
Dentistry—Metallic materials for fixed and removable restorations and appliances
Standard published on 31.12.2013
Selected format:Test method for the EL2 deep donor concentration in semi-insulating gallium arsenide single crystals by infrared absorption spectroscopy
Standard published on 10.12.2015
Selected format:Aquosity aluminium paste
Standard published on 17.6.2008
Selected format:417 Bar code
Standard published on 25.12.1997
Selected format:Information technology—Open systems interconnection—Distributed transaction processing—Part 1OSI TP model
Standard published on 15.5.2015
Selected format:Information technology—Open systems interconnection—Distributed transaction processing—Part 2: OSI TP service
Standard published on 15.5.2015
Selected format:Information technologyOpen systems interconnectionDistrbuted transaction processingPart 3Protocol specification
Standard published on 8.7.2014
Selected format:Information processing systems--Text communication--Reliable transfer--Part 1:Model and service definition
Standard published on 25.12.1997
Selected format:Information processing systems--Text communication--Reliable transfer--Part 2:Protocol specification
Standard published on 25.12.1997
Selected format:Informationtechnology--Open systems interconnection--Structure of management information--Part 1:Management information model
Standard published on 25.12.1997
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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