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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
DC current measuring device for HVDC transmission system—Part 1:Electronic DC current measuring device
WITHDRAWN published on 14.1.2011
Selected format:DC current measuring device for HVDC transmission system—Part 2:Electromagnetic DC current measuring device
WITHDRAWN published on 14.1.2011
Selected format:DC voltage measuring device for HVDC transmission system
WITHDRAWN published on 14.1.2011
Selected format:Electrical accessories—Y-splitter cord sets and Y-splitter interconnection cord sets
WITHDRAWN published on 14.1.2011
Selected format:Mixed tannins
WITHDRAWN published on 1.1.1981
Selected format:Information technology—Software reuse—Data model for reuse library interoperability:Basic interoperability data model
WITHDRAWN published on 14.1.2011
Selected format:Tannins from lysimachia fortunei
WITHDRAWN published on 1.1.1981
Selected format:Information technology—Open systems interconnection—National numbering system and registration procedures for object identifier(OID)
WITHDRAWN published on 14.1.2011
Selected format:Technical specification of application server based on J2EE
WITHDRAWN published on 14.1.2011
Selected format:Information technology—Biometric data interchange formats—Part 1:Framework
WITHDRAWN published on 14.1.2011
Selected format:Latest update: 2026-03-27 (Number of items: 2 269 573)
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