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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
Terminology for telecommunication switching and signalling in telecommunication
Standard published on 5.11.2012
Selected format:Terminology fortelecommunications--Telecommunications using discrete signals telegraphy facsimile and data communication
Standard published on 3.12.1993
Selected format:Terminology for electrotechnical space radiocommunication
Standard published on 10.10.2005
Selected format:Terminology for telecommunication - Oscillationssignals and related devices
Standard published on 6.8.2008
Selected format:Terminology for telecommunications--Telecommunications using telephone
Standard published on 3.12.1993
Selected format:Terminology for telecommunication - Radio wave propagation
Standard published on 6.8.2008
Selected format:Safety code for port floating crane
Standard published on 27.5.2008
Selected format:Specification for the operation of the hook used in the port for cargo handling
Standard published on 30.9.2009
Selected format:Specification for the operation of the hanging ring used in the port for cargo handling
Standard published on 30.9.2009
Selected format:Specification for the operation of sling used in the port for cargo handling
Standard published on 30.9.2009
Selected format:Latest update: 2026-04-17 (Number of items: 2 274 270)
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