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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
Container securing fitting for ships
Standard published on 14.12.2020
Selected format:The landing boom for S.t Lawrence seaway
Standard published on 25.4.2025
Selected format:Ships and marine technology—Ship’s mooring and towing fittings—Panama chocks
Standard published on 7.6.2018
Selected format:International user classes of service in, and categories of access to, public data networks and integrated services digital networks(ISDNs)
Standard published on 29.7.2011
Selected format:International data transmission services and optional user facilities in public data networks and ISNDs
Standard published on 29.7.2011
Selected format:Packet assemblydisassembly facility(PAD) in a public data network
Standard published on 29.7.2011
Selected format:Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for start-stop transmission services on public data networks
Standard published on 29.7.2011
Selected format:Interface between data terminal equipment and data circuit-terminating equipment for synchronous operation on public data networks
Standard published on 5.11.2001
Selected format:List of definitions for interchange circuits between data terminal equipment(DTE) and data circuit-terminating equipment(DCE) on public data networks
Standard published on 30.9.2009
Selected format:Interface between data terminal equipment(DTE) and data circuit-terminating equipment (DCE)for terminals operating in the packet mode and connected to public data networks by dedicated circuit
Standard published on 11.11.1999
Selected format:Latest update: 2026-03-19 (Number of items: 2 268 472)
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