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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
High voltage test techniques--Part 5:Sphere-gaps for voltage measurment
WITHDRAWN published on 20.4.1964
Selected format:Application guide for insulation co-ordination of high voltage transmission and transformation equipment
WITHDRAWN published on 1.1.1988
Selected format:Application guide for insulation co-ordination of high voltage transmission and transformation equipment
WITHDRAWN published on 20.6.1988
Selected format:Brass wires
WITHDRAWN published on 1.1.1982
Selected format:Information technology—Automatic identification and data capture techniques—Real-time locating system performance test methods
WITHDRAWN published on 3.9.2014
Selected format:Software engineeringGuide to the software engineering body of knowledge (SWEBOK)
WITHDRAWN published on 3.9.2014
Selected format:Systems engineeringA guide for the application of GB/T 22032 (System life cycle processes)
WITHDRAWN published on 3.9.2014
Selected format:Specification for steel paper machine dryer
WITHDRAWN published on 3.9.2014
Selected format:Tin brass wires
WITHDRAWN published on 1.1.1982
Selected format:Leaded brass wires
WITHDRAWN published on 1.1.1982
Selected format:Latest update: 2026-03-10 (Number of items: 2 265 346)
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